Where does “unexplicable” come from?

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

Ancestry of “unexplicable”, step by step

StepLanguageWordMeaning
1EnglishinexplicableImpossible to explain; not easily accounted for
2Middle Englishinexplicable
3Middle Frenchinexplicable
4Latininexplicabilisinexplicable
5Latinexplicabilisthat may be explained, explicable, explainable
6Latin-bilis-ble
7Proto-Italic-ðlisForms adjectives from verb stems indicating capacity or worth of being acted on
8Proto-Indo-European-dʰlis
9Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...

Words derived from “unexplicable

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