A masculine praenomen.
From Proto-Italic *Loukjos, related to lūx (“light”), stem lūc-. Compare Etruscan 𐌋𐌖𐌂𐌉 (Luci, a male praenomen) and Etruscan 𐌋𐌖𐌗𐌉 (Luχi).
Practice speaking and memorizing "Lucius" and many other words and sentences in Latin.