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 *olnos →Every word from Latin olle →Every word from Latin ille →