Where does “Cécilia” come from?

Cécilia (French) comes from Latin caecilia, from Latin Caecilius, from Latin caeculus, from Latin caecus, from Proto-Italic kaikos, from Proto-Indo-European *kéh₂ikos — one-eyed, blind.

Ancestry of “Cécilia”, step by step

StepLanguageWordMeaning
1LatincaeciliaA kind of lizard; A kind of lettuce
2LatinCaeciliusThe name of a Roman gens
3LatincaeculusThe mythical son of Vulcanus and founder of Praeneste
4Latincaecusblind; invisible
5Proto-Italickaikosblind
6Proto-Indo-European*kéh₂ikosone-eyed, blind
Every word from Proto-Indo-European *kéh₂ikos →Every word from Proto-Italic kaikos →Every word from Latin caecus →