Where does “posteroexternal” come from?

posteroexternal (English) comes from English external, from Latin externus, from Latin exter, from Proto-Italic *eksteros.

posteroexternal (English): posterior and external

Definitions

  1. posterior and external

Ancestry of “posteroexternal”, step by step

StepLanguageWordMeaning
1EnglishexternalOutside of something; on the exterior; Not...
2Latinexternusoutward, external; foreign, alien, strange
3LatinexterOn the outside, outward, external, outer; Of...
4Proto-Italic*eksteros—
Every word from Proto-Italic *eksteros →Every word from Latin exter →Every word from Latin externus →