photo of 19th century finely decorated silk undergarment

The Language of Lingerie, Revealed

When underwear gets tangled up with false friends and language drift

Where it all began…

In our group meet-ups, moments of discovering new vocabulary often end up revealing all sorts of random linguistic oddities, amusing and confusing in equal measure.

One chilly December evening, meeting up at the Gare du Sud, Libération it was noted that the French contingent of the English in Nice / Nice en Français membership group were looking particularly elegant in their attire. I used the word shabby to describe my own rather dowdy outfit. When asked what shabby meant, someone offered négligée as the French translation.

This, of course, amused the English speakers, because negligee has quite a different meaning in English. From that mismatch, another linguistic incongruity arose: apparently camisole in French can translate as “straitjacket”. And then there’s the English use of brassiere, which rather bizarrely becomes a “throat support” in French soutien-gorge.

These are the kinds of moments that make language learning, and teaching, such a pleasure, well, for me at least.
So as soon as I got home, I asked ChatGPT to help me untangle what I now affectionately call the great lingerie lingo mélangerie.

A pair of vintage cream-coloured trousers featuring a wide waistband with three buttons and ties at the ankles.
19th Century British Woollen Drawers (photo from THE MET Costume Institute
Drawersnamed from the verb “to draw”: early versions were drawn up and tied at the waist.

If this kind of linguistic curiosity is your thing, or you feel you’re lacking in the French vocabulary of lingerie, I’ve also put together a short downloadable PDF at the end of the post, bringing together the key English–French underwear vocabulary we stumbled across that evening.

Why underwear causes so much confusion between English and French

Many of these collisions come from the same basic problem: shared word histories that evolved in different directions.

A large part of modern clothing vocabulary in both English and French descends from the same Latin and Old French roots. Over centuries, the garments changed, the cultures changed, and the meanings drifted, but the words stayed similar enough to keep us learners on our toes.

Let’s look at four such frilly delights


Shabby, négligé and the birth of the negligee

French négligé / négligée comes from négliger — “to neglect”.
It means untidy, casual, not carefully put together.

In the eighteenth century English borrowed négligée, but narrowed the meaning dramatically: instead of “careless”, it became the name of a specific garment — a loose, informal dressing gown or nightdress worn in private.

So today:

  • French négligée = careless, untidy
  • English negligee = lingerie

Same origin. Very different wardrobes.


Camisole and the unexpected straitjacket

Camisole comes from Late Latin camisia — “shirt” or “night garment”. In both languages it originally referred to a light under-garment.

But French also developed the phrase camisole de force — literally “shirt of force” — meaning a straitjacket. English later borrowed this secondary meaning as well, so for a time camisole in English could also mean a straitjacket.

Meanwhile modern English kept the softer clothing sense: a sleeveless under-top.

One word now carries the history of:
shirt, vest, nightwear, underwear — and psychiatric restraint.

Brassiere vs soutien-gorge

Brassière in French originally meant a kind of bodice or child’s vest.
English borrowed it as brassiere, then shortened it to bra.

French, however, replaced the everyday term with a wonderfully literal compound:
soutien-gorge — “support for the throat / bust”.

Which leaves us with the delightful situation that:

  • English uses a French-looking word the French rarely use
  • and French uses a vivid compound that sounds utterly absurd to English ears
A long black and white striped skirt with a flared bottom and gathered waistband.
Late 19th Century French Petticoat made of silk – The MET Costume Instute : Petticoat
From petty cote — “small coat” — an old French form preserved in English.

Petticoat – a small coat?!

Petticoat comes from Middle English pety cote — literally “small coat.”

  • pety ← Old French petit = small
  • cote ← Old French cote = garment, tunic, coat

Over time in English, petticoat came to mean an underskirt worn under a dress.

In modern French, this word no longer exists in everyday use.
Instead, French uses:

  • jupon = petticoat / underskirt
  • fond de robe = slip

So a learner might see petticoat, recognise petit, and could quite reasonably assume it must still exist in French, but it doesn’t.

It’s another case of English preserving an old French form while French moved on.

False friends: the mismatched socks in your sock drawer

These are classic examples of what linguists call false friends – words that look familiar but have quietly changed meaning while nobody was watching.

Underwear is particularly rich territory for this because:

  1. the garments themselves have changed constantly,
  2. the words are old,
  3. and both languages kept borrowing from each other.

And this is how a cosy winter conversation in Nice got entangled in lingerie and straitjackets.

Isn’t language glorious?!

For the linguistically curious learners:
You can download a free PDF with the English–French and French–English underwear vocabulary mentioned in this article, neatly organised for reference.

A colorful fan-shaped design featuring alternating arcs in orange, teal, and yellow, radiating from a central point.

If you enjoyed this, you might also like my earlier post on false friends: Is English just badly pronounced French?  where this strange family of words makes another appearance.

This article was written by Clare, with research and linguistic support from ChatGPT

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