Where does “Gelidiaceae” come from?

Gelidiaceae (English) comes from Translingual Gelidium, from Latin gelidus, from Latin -idus, from Proto-Italic *-iðos.

Ancestry of “Gelidiaceae”, step by step

StepLanguageWordMeaning
1TranslingualGelidiumgenus
2Latingelidusice-cold, icy, frosty; chilling
3Latin-idustending to
4Proto-Italic*-iðos—

Words derived from “Gelidiaceae”

Every word from Proto-Italic *-iðos →Every word from Latin -idus →Every word from Latin gelidus →