Where does “protocluster” come from?

protocluster (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.

protocluster (English): A group of galaxies that are beginning to form a...

Definitions

  1. A group of galaxies that are beginning to form a...

Ancestry of “protocluster”, step by step

protocluster 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 cluster

StepLanguageWordMeaning
1EnglishclusterA group or bunch of several discrete items that...
2Middle Englishcluster
3Old Englishcluster
4Proto-Germanicklus-
Every word from Proto-Indo-European pr̥tós