Where does “plantarflex” come from?

plantarflex (English) comes from English flex, from German flexibel, from Latin flexibilis, from Latin -bilis, from Proto-Italic -ðlis, from Proto-Indo-European -dʰlis, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

plantarflex (English): to flex the foot or toes toward the sole

Definitions

  1. to flex the foot or toes toward the sole

Ancestry of “plantarflex”, step by step

plantarflex traces back through two separate lines of ancestry.

via English flex

StepLanguageWordMeaning
1EnglishflexFlexibility, pliancy; The or an act of flexing;...
2Germanflexibelflexible
3Latinflexibilisflexible, pliant, able to be bent; tractable,...
4Latin-bilis-ble
5Proto-Italic-ðlisForms adjectives from verb stems indicating capacity or worth of being acted on
6Proto-Indo-European-dʰlis
7Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...

via English plantar

StepLanguageWordMeaning
1EnglishplantarRelating to the sole of the foot
2Latinplantarisrelated to suckers or sprouts; related to the...
3Latinplantaany vegetable production that serves to propagate...
4Proto-Italicplāntā
5Proto-Indo-Europeanpléh₂-n̥t-eh₂
6Proto-Indo-Europeanpleh₂-flat
Every word from Proto-Indo-European -dʰlomEvery word from Latin -bilisEvery word from Latin flexibilis