Where does “ineffable” come from?

Ineffable comes from Middle French ineffable, from Latin ineffabilis, formed from the prefix in- (not) and fabilis (speakable, from fari, to speak).

ineffable (English): Beyond expression in words; unspeakable;...

Definitions

  1. Beyond expression in words; unspeakable;...

Ancestry of “ineffable”, step by step

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

Words derived from “ineffable

Every word from Proto-Indo-European -dʰlom