Where does “protofibrillary” come from?

protofibrillary (English) comes from English proto, from English proto-, from Ancient Greek πρωτο-, from Ancient Greek πρῶτος, from Ancient Greek πρό, from Proto-Indo-European pró, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “protofibrillary”, step by step

protofibrillary traces back through two separate lines of ancestry.

via English proto

StepLanguageWordMeaning
1EnglishprotoPrototypical; preceding the proper beginning of...
2Englishproto-first; most recent common ancestor of; Relating...
3Ancient Greekπρωτο-first, primary
4Ancient Greekπρῶτοςfirst; earliest; foremost, most prominent
5Ancient Greekπρόbefore; before, in front, forth, forward; before,...
6Proto-Indo-Europeanprótoward, leading to
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed

via English fibrillary

StepLanguageWordMeaning
1EnglishfibrillaryOf or pertaining to fibrils, or nanoscale fibers
2English-aryof or pertaining to; adjective suffix appended to...
3Italian-ario-ary; Added to nouns to create attributive...
4Latin-āriumused primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end
5Latin-umnominative neuter singular of -us; accusative...
6Proto-Italic*-om
7Proto-Indo-European*-oHom
Every word from Proto-Indo-European pr̥tós
protofibrillary — Etymology, Origin & Word History | Etymology Explorer