Where does “frown” come from?

frown (Middle English) comes from Middle English frounen, from Old French frognier, from Gaulish frognā, from Proto-Celtic srognā, from Proto-Indo-European sregʰ- — snore; to snore.

Ancestry of “frown”, step by step

StepLanguageWordMeaning
1Middle Englishfrounento frown as an expression of disapproval,...
2Old Frenchfrognierto frown or scowl
3Gaulishfrognānostril
4Proto-Celticsrognānose
5Proto-Indo-Europeansregʰ-snore; to snore

Words derived from “frown”

Every word from Proto-Indo-European sregʰ- →Every word from Proto-Celtic srognā →Every word from Gaulish frognā →
frown — Etymology, Origin & Word History | Etymology Explorer