Where does “ineffably” come from?

Ineffably comes from Middle French ineffable, from Latin ineffabilis, composed of the prefix in- and ineffabilis, ultimately from Latin ex-.

ineffably (English): indescribably; to a very great degree or extent;...

Definitions

  1. indescribably; to a very great degree or extent;...

Ancestry of “ineffably”, 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;...
Every word from Proto-Indo-European -dʰlom
ineffably — Etymology, Origin & Word History | Etymology Explorer