Where does “Lucija” come from?

Lucija (Serbo-Croatian) comes from Latin Lucia, from Latin Lucius, from Latin lux, from Proto-Italic louks, from Proto-Indo-European lewḱ-, from Proto-Indo-European lewk- — bright; to shine; to see.

Ancestry of “Lucija”, step by step

StepLanguageWordMeaning
1LatinLuciaLucy
2LatinLuciusa fish, probably the pike
3Latinluxlight; daylight, day, moonlight; life
4Proto-Italicloukslight
5Proto-Indo-Europeanlewḱ-lynx
6Proto-Indo-Europeanlewk-bright; to shine; to see
Every word from Proto-Indo-European lewk-