Where does “tailgroup” come from?

tailgroup (English) comes from English Group, from French groupe, from Italian gruppo, from Vulgar Latin cruppo, from Renaissance Latin grupus, from Proto-Germanic kruppaz, from Proto-Indo-European grewb-, from Proto-Indo-European ger- — to turn, bend, twist, wind; to tie, bind...

tailgroup (English): A relatively long aliphatic tail or backbone of a molecule such as a surfactant

Definitions

  1. A relatively long aliphatic tail or backbone of a molecule such as a surfactant

Ancestry of “tailgroup”, step by step

tailgroup traces back through two separate lines of ancestry.

via English Group

StepLanguageWordMeaning
1EnglishGroupA number of things or persons being in some relation to one another
2Frenchgroupegroup
3Italiangruppogroup, cluster, party, team, covey; pack; peloton
4Vulgar Latincruppo
5Renaissance Latingrupus
6Proto-Germanickruppaza body; mass; a compressed, round mass; lump;...
7Proto-Indo-Europeangrewb-to warp, bend, crawl; to bend, crouch, crawl; to...
8Proto-Indo-Europeanger-to turn, bend, twist, wind; to tie, bind...

via English Tail

StepLanguageWordMeaning
1EnglishTailA Chinese constellation coinciding with the tail of Scorpius, one of the 28 lunar mansions and the tail of Azure Dragon
2Middle EnglishtaylA tail; The back side or reverse of a creature; A...
3Old Englishtæġltail
4Proto-Germanictagląhair; ponytail; hair of a tail; tail
5Proto-Indo-Europeandoḱ-hair of the tail
6Proto-Indo-Europeandeḱ-take; perceive
Every word from Proto-Indo-European ger-Every word from Proto-Indo-European grewb-Every word from Proto-Germanic kruppaz