frost
From LSJ
Άνδρα μοι ἒννεπε, Μούσα, πολὺτροπον, ... → Tell me, o Muse, of that ingenious hero, ... (Homer's Odyssey)
P. and V. πάγος, ὁ, V. κρυμός, ὁ (Euripides, Fragment).
hoar-frost: P. and V. πάχνη, ἡ (Plato).
ice: P. and V. κρύσταλλος, ὁ (Sophocles, Fragment).