Where does “unimprovable” come from?

unimprovable (English) comes from English improvable, from English improve, from Latin improbo, from Latin probō, from Latin Probus, from Proto-Indo-European pro-bhwo-, from Proto-Indo-European pro-, from Proto-Indo-European por- — passed , crossed.

unimprovable (English): Not capable of being improved

Definitions

  1. Not capable of being improved

Ancestry of “unimprovable”, step by step

StepLanguageWordMeaning
1EnglishimprovableCapable of being improved; Capable of being used...
2EnglishimproveTo make better; to increase the value or...
3LatinimproboI disapprove; I blame, condemn, reject;...
4Latinprobōto approve, permit, commend
5LatinProbusgood, serviceable, excellent, superior, able
6Proto-Indo-Europeanpro-bhwo-being in front, prominent
7Proto-Indo-Europeanpro-toward, forward
8Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
9Proto-Indo-Europeanper-before, in front; first; to go through
10Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “unimprovable

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European por-
unimprovable — Etymology, Origin & Word History | Etymology Explorer