Where does “endurcissement” come from?

endurcissement (French) comes from French endurcir, from French en-, from Old French en-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

endurcissement (French): hardening; toughening

Definitions

  1. hardening; toughening

Ancestry of “endurcissement”, step by step

StepLanguageWordMeaning
1Frenchendurcirto harden; to harden, inure
2Frenchen-en- all meanings
3Old Frenchen-en- in; into
4Latinīn-un-, non-, not
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁én