Where does “diacciare” come from?

diacciare (Italian) comes from Italian diaccio, from Italian ghiaccio, from Vulgar Latin *glacium/a, from Latin glaciēs — ice.

Ancestry of “diacciare”, step by step

StepLanguageWordMeaning
1Italiandiaccio—
2Italianghiaccioice; icy, frozen, cold, gelid; first-person...
3Vulgar Latin*glacium/a—
4Latinglaciēsice
Every word from Latin glaciēs →Every word from Vulgar Latin *glacium/a →Every word from Italian ghiaccio →