Where does “Lucas” come from?

Lucas (Old Portuguese) comes from Latin Lūcās, from Ancient Greek Λουκᾶς, 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 “Lucas”, step by step

StepLanguageWordMeaning
1LatinLūcāsLuke the Evangelist
2Ancient GreekΛουκᾶςman from Lucania
3LatinLuciusa fish, probably the pike
4Latinluxlight; daylight, day, moonlight; life
5Proto-Italicloukslight
6Proto-Indo-Europeanlewḱ-lynx
7Proto-Indo-Europeanlewk-bright; to shine; to see

Words derived from “Lucas”

Every word from Proto-Indo-European lewk- →Every word from Proto-Indo-European lewḱ- →Every word from Proto-Italic louks →