μελάγχλαινος
From LSJ
εἰργάζοντο λογάδην φέροντες λίθους καὶ ξυνετίθεσαν ὡς ἕκαστόν τι ξυμβαίνοι → they went to work bringing the stones as they picked them out and put them together as each one happened to fit
English (LSJ)
ον,
A black-cloaked, Mosch.3.27 (glossed by διαυγής, Hsch.). II οἱ M., as pr. n. of a Scythian tribe, Hdt.4.20, etc.