Where does “inexplicable” come from?

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

Ancestry of “inexplicable”, step by step

StepLanguageWordMeaning
1Middle Frenchinexplicable
2Latininexplicabilisinexplicable
3Latinexplicabilisthat may be explained, explicable, explainable
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 “inexplicable

Every word from Proto-Indo-European -dʰlomEvery word from Latin -bilisEvery word from Latin explicabilis