Where does “Colantuono” come from?

Colantuono (Italian) comes from Italian Colantonio, from Italian Nicola, from Latin Nīcolāus, from Ancient Greek Νικόλαος, from Ancient Greek λᾱός, from Proto-Hellenic lāwós, from Proto-Indo-European leh₂wos, from Proto-Indo-European leh₂- — to bark, howl; to be concealed.