Where does “geofoam” come from?

geofoam (English) comes from English foam, from Middle English fom, from Old English fām, from Proto-West Germanic *faim, from Proto-Germanic faimaz, from Proto-Indo-European (s)poHy-m-os, from Proto-Indo-European (s)poH(y)-, from Proto-Indo-European speh₁- — to succeed, to prosper.

geofoam (English): Expanded or extruded polystyrene manufactured...

Definitions

  1. Expanded or extruded polystyrene manufactured...

Ancestry of “geofoam”, step by step

geofoam traces back through two separate lines of ancestry.

via English foam

StepLanguageWordMeaning
1EnglishfoamA substance composed of a large collection of...
2Middle EnglishfomAlternative form of fome
3Old Englishfāmfoam
4Proto-West Germanic*faimfoam, froth
5Proto-Germanicfaimazfoam
6Proto-Indo-European(s)poHy-m-os
7Proto-Indo-European(s)poH(y)-foam
8Proto-Indo-Europeanspeh₁-to succeed, to prosper

via English geo

StepLanguageWordMeaning
1EnglishgeoAn inlet, gully or cleft in the face of a cliff
2Englishgeo-Earth; geography
3Ancient Greekγεω-earth; earth-
4Latin-logia-logy; the study of
5Ancient Greek-λογίαBase for nouns denoting the study of something,...
6Ancient GreekλόγοςThat which is said: word, sentence, speech,...
7Ancient GreekλέγωI put in order, arrange, gather; I choose, count,...
8Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...
Every word from Proto-Indo-European speh₁-Every word from Proto-Indo-European (s)poH(y)-Every word from Proto-Indo-European (s)poHy-m-os
geofoam — Etymology, Origin & Word History | Etymology Explorer