μελάνδρυς
From LSJ
δρυὸς πεσούσης πᾶς ἀνὴρ ξυλεύεται → when the oak falls, everyone cuts wood | when an oak has fallen, every man gathers wood | on the fall of an oak, every man gathers wood | when an oak has fallen, every man becomes a woodcutter | one takes advantage of somebody who has lost his strength | one takes advantage of somebody who has lost his power | when the tree is fallen, every man goes to it with his hatchet
English (LSJ)
ῠος, ὁ,
A a large kind of tunny, Pamphil. ap. Ath.3.121b:—hence μελάνδρυα (sc. τεμάχη), τά, cheap cuts of tunny, Xenocr. ap. Orib.2.58.146 (said to resemble black oak-roots, cf. Plin.HN9.48); and μελανδρύαι (sc. τόμοι), οἱ, Ath. l. c., 7.315e.