Where does “eff” come from?

eff (English) comes from English ineffable, from Middle French ineffable, from Latin ineffābilis, from Latin effabilis, from Latin -bilis, from Proto-Italic -ðlis, from Proto-Indo-European -dʰlis, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

eff (English): Fuck

Definitions

  1. Fuck

Ancestry of “eff”, step by step

StepLanguageWordMeaning
1EnglishineffableBeyond expression in words; unspeakable;...
2Middle Frenchineffableineffable
3Latinineffābilisunutterable, unpronounceable
4Latineffabilisutterable
5Latin-bilis-ble
6Proto-Italic-ðlisForms adjectives from verb stems indicating capacity or worth of being acted on
7Proto-Indo-European-dʰlis
8Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...

Words derived from “eff

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