Etymograph

English

all cats are grey in the dark

All cats are grey in the dark comes from French la nuit ‘all cats are gray in the dark’.

  1. Frenchc. 1600–presentla nuit‘all cats are gray in the dark’
  2. Englishearliest quotation 1562all cats are grey in the dark

attested reconstructed ? uncertain or disputed

Lineage

  1. Frenchc. 1600–presentla nuit‘all cats are gray in the dark’
  2. Englishearliest quotation 1562all cats are grey in the dark

Earliest quotation: 1562, John Heywood: “[Of a widow:] And to make carnall appetite content,…”

Made of the words all + cats + are + grey + in + the + dark

Proto-Germanic *allaz

Proto-West Germanic *all

Old English eall

Middle English all

English all

Old English earon

Middle English aren

English are

Proto-Germanic *grēwaz ‘grey’

Proto-West Germanic *grāu ‘grey’

Old English grēġ ‘grey’

Middle English grey ‘grey’

English grey

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in

Proto-West Germanic *in

Old English in

Middle English in ‘inside’

English in

Proto-Indo-European *tód

Proto-Germanic *þa

Old English þē ‘the’

Middle English þe

English the

Proto-West Germanic *derk

Old English deorc

Middle English derk

English dark

The story

Calque of French la nuit, tous les chats sont gris (‘at night, all cats are grey’), sometimes understood with vulgar reference to secondary senses of cat and pussy.

Today it means

proverb Sex is enjoyable regardless of the physical attractiveness or social station of one's partner.

Language periods are conventional ranges, not dates for this word.

Etymograph / French la nuit / all cats are grey in the dark