Where does “perish the thought” come from?

perish the thought (English) comes from English perish, from Middle English perishen, from Old French perir, from Latin pereō, from Latin eō, from Proto-Italic eō, from Proto-Italic ejō, from Proto-Indo-European h₁éyti — to go.

perish the thought (English): May the thought perish; said of an idea or suggestion that is deeply undesirable

Definitions

  1. May the thought perish; said of an idea or suggestion that is deeply undesirable

Ancestry of “perish the thought”, step by step

StepLanguageWordMeaning
1EnglishperishTo decay and disappear; to waste away to nothing;...
2Middle Englishperishen
3Old Frenchperirto die; to perish
4Latinpereōto perish, pass away, die, be ruined
5Latinto go, to fare, to move (oneself) (any kind of animate or inanimate motion: walk, ride, sail, fly, etc.)
6Proto-ItalicI go
7Proto-Italicejō
8Proto-Indo-Europeanh₁éytito go, to be going
9Proto-Indo-Europeanh₁ey-to go
Every word from Proto-Indo-European h₁ey-Every word from Proto-Indo-European h₁éytiEvery word from Proto-Italic ejō