Where does “unachievable” come from?

Unachievable derives from English achieve, which comes from Latin ad combined with a root ultimately traceable to Proto-Indo-European kauput- meaning head.

unachievable (English): That cannot be achieved

Definitions

  1. That cannot be achieved

Ancestry of “unachievable”, step by step

StepLanguageWordMeaning
1EnglishachievableCapable of being achieved, which either means...
2EnglishachieveTo succeed in something, now especially in...
3Middle Englishacheven
4Anglo-Normanachever
5Old Frenchachever
6Latinaccapārefinish
7LatinAdtoward, to
8Latinilliche, she, it, yonder, that, overthere; in that...
9Latinillethat; those; "; demonstrative pronoun "; that...
10LatinolleArchaic form of ille
11Proto-Italic*olnosthat

Words derived from “unachievable

Every word from Proto-Italic *olnosEvery word from Latin olleEvery word from Latin ille