Where does “presqualene” come from?

presqualene (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.

presqualene (English): A metabolic precursor of squalene composed of two...

Definitions

  1. A metabolic precursor of squalene composed of two...

Ancestry of “presqualene”, step by step

presqualene 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 squalene

StepLanguageWordMeaning
1EnglishsqualeneA linear triterpene hydrocarbon found in shark...
2Latinsqualusa kind of sea fish, thought to be a shark;...
3Proto-Indo-European(s)kʷáloslarge fish; sheatfish
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European preh₂-