κοκαλιάρης
From LSJ
καὶ κεραμεὺς κεραμεῖ κοτέει καὶ τέκτονι τέκτων, καὶ πτωχὸς πτωχῷ φθονέει καὶ ἀοιδὸς ἀοιδῷ → and potter is ill-disposed to potter, and carpenter to carpenter, and the beggar is envious of the beggar, the singer of the singer
Greek Monolingual
και κοκκαλιάρης, -α, -ικο και κοκ(κ)αλιάρικος, -η, -ο κόκαλο
πολύ αδύνατος, ισχνός, λιπόσαρκος.