Where does “curdle” come from?

Curdle comes from Middle English curdlen, from Old English *crudle meaning to congeal or thicken into curds.

curdle (English): To form curds so that it no longer flows...

Definitions

  1. To form curds so that it no longer flows...

Ancestry of “curdle”, step by step

curdle traces back through two separate lines of ancestry.

via English curd

StepLanguageWordMeaning
1EnglishcurdThe part of milk that coagulates when it sours or...
2Middle EnglishcurdAlternative form of crudde
3Middle EnglishcrudAlternative form of crudde
4Middle EnglishcruddeMilk that has coagulated or a cheese made of it;...
5Middle EnglishcroudenTo move a means or form of transport; To cram; to...
6Old Englishcrūdanto press
7Proto-West Germanickrūdanto press, to push
8Proto-Germanickrūdanąto crowd; to press; to drive
9Proto-Indo-Europeangrewt-to push; press

via English cruddle

StepLanguageWordMeaning
1EnglishcruddleTo curdle

Words derived from “curdle

Every word from Proto-Indo-European grewt-
curdle — Etymology, Origin & Word History | Etymology Explorer