निक्लांव (Konkani) comes from Portuguese Nicolau, from Old Portuguese Nicolao, from Latin Nīcolāum, 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.