Licinus

Uncertain. Typically taken from licinus (“turned up, turned back”), presumably in reference to a prominent figure's nose shape or hair style, from Old Latin *lecinos, from Proto-Indo-European *lewg- (“to bend”), but sometimes derived with Licinius from the Etruscan name 𐌋𐌄𐌂𐌍𐌄 (lecne).

• (Classical) IPA^(key): /ˈli.ki.nus/, [ˈlʲɪkɪnʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈli.t͡ʃi.nus/, [ˈliːt͡ʃinus]

Licinus m sg (genitive Licinī); second declension

1. a cognomen used by the gens Claudia, Porcia, Sariolena, and others

   Gaius Clodius Licinus

    

Second-declension noun, singular only.

• George Davis Chase, "Origin of Roman Praenomina", Harvard Studies in Classical Philology, Vol. 8, 1897, p. 109.