μελασμός
From LSJ
νόησε δὲ δῖος Ὀδυσσεὺς σαίνοντάς τε κύνας, περί τε κτύπος ἦλθε ποδοῖιν → godly Odysseus heard the fawning of dogs, and on top of that came the beat of two feet
English (LSJ)
ὁ,
A blackening of flesh from mortification, Hp.Aph. 5.17 (pl.). 2 dyeing black, μελασμοὶ τριχῶν Dsc.1.112, Gal.12.446. II black spot, Plu.2.921f (pl.), Simp.in Ph.1294.20; on snakes, Plu.2.564d.