Where does “pretyrosine” come from?

pretyrosine (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.

pretyrosine (English): An amino acid intermediate of phenylalanine...

Definitions

  1. An amino acid intermediate of phenylalanine...

Ancestry of “pretyrosine”, step by step

pretyrosine 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 tyrosine

StepLanguageWordMeaning
1EnglishtyrosineA nonessential amino acid "2-amino-3-propanoic...
2Ancient Greekτυρόςcheese
3Proto-Hellenictūróscheese
4Proto-Indo-Europeantuh₂-ró-s—
5Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European preh₂- →