Where does “prethoracic” come from?

prethoracic (English) comes from English pre, from Latin prae, from Proto-Italic prai, from Proto-Indo-European preh₂-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

prethoracic (English): to the thorax

Definitions

  1. to the thorax

Ancestry of “prethoracic”, step by step

prethoracic traces back through two separate lines of ancestry.

via English pre

StepLanguageWordMeaning
1EnglishpreBefore; Precum, Cowper's fluid, pre-ejaculate; To...
2Latinpraebefore; in front; in front of
3Proto-Italicpraibefore; in front of
4Proto-Indo-Europeanpreh₂-before, in front
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed

via English thoracic

StepLanguageWordMeaning
1EnglishthoracicOf the thorax; One of a group of fishes having...
2Ancient Greekθωρακικόςsuffering in the chest, of the thorax
3Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
4Ancient Greek-κόςforms adjectives with the sense of 'of or...
5Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European preh₂-
prethoracic — Etymology, Origin & Word History | Etymology Explorer