Where does “inlassable” come from?

inlassable (French) comes from French in-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

inlassable (French): indefatigable, tireless, unremitting

Definitions

  1. indefatigable, tireless, unremitting

Ancestry of “inlassable”, step by step

StepLanguageWordMeaning
1Frenchin-in-; un-
2Latinīn-un-, non-, not
3Latinînin, at, on, upon, from (space)
4Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
5Proto-Italicenin
6Proto-Indo-Europeanh₁énin

Words derived from “inlassable”

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →