Where does “solide” come from?

solide (Old French) comes from Latin solidus, from Proto-Italic soliðos, from Proto-Indo-European solh₂-i-dʰ-o-s, from Proto-Indo-European solh₂- — whole.

Ancestry of “solide”, step by step

StepLanguageWordMeaning
1Latinsolidussolid; A solidus: a Roman ~23-carat gold coin...
2Proto-Italicsoliðos
3Proto-Indo-Europeansolh₂-i-dʰ-o-sentire
4Proto-Indo-Europeansolh₂-whole

Words derived from “solide

Every word from Proto-Indo-European solh₂-
solide — Etymology, Origin & Word History | Etymology Explorer