Where does “underexercised” come from?

underexercised (English) comes from English exercised, from English exercise, from Middle English exercise, from Old French exercise, from Latin exercitium, from Latin exerceo, from Latin arceo, from Proto-Italic arkeō — to protect, guard, hold, lock.

underexercised (English): Having inadequate exercise

Definitions

  1. Having inadequate exercise

Ancestry of “underexercised”, step by step

underexercised traces back through two separate lines of ancestry.

via English exercised

StepLanguageWordMeaning
1Englishexercisedsimple past tense and past participle of exercise
2EnglishexerciseAny activity designed to develop or hone a skill...
3Middle Englishexercise
4Old Frenchexercise
5Latinexercitiumexercise, practice
6LatinexerceoI keep busy, keep at work, drive on; occupy,...
7LatinarceoI shut up, enclose; box in; I keep off, ward off;...
8Proto-Italicarkeōto contain
9Proto-Indo-Europeanh₂erk-to protect, guard, hold, lock

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
Every word from Proto-Indo-European h₂erk-Every word from Proto-Italic arkeōEvery word from Latin arceo