Where does “underthink” come from?

underthink (English) comes from English under, from Middle English under, from Old English under, from Proto-Germanic under, from Proto-Indo-European h₁entér, from Proto-Indo-European h₁en — in; in, inside.

underthink (English): To give insufficient thought or consideration to;...

Definitions

  1. To give insufficient thought or consideration to;...

Ancestry of “underthink”, step by step

underthink traces back through two separate lines of ancestry.

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside

via English think

StepLanguageWordMeaning
1EnglishthinkTo ponder, to go over in one's head; To...
2Middle EnglishthinkenTo think, ponder; to deduce, figure out; to...
3Old Englishþyncanto seem
4Proto-Germanicþunkijanąto seem, to appear

Words derived from “underthink”

Every word from Proto-Indo-European h₁en →