Τρωϊάς
From LSJ
ἔγνω δὲ φώρ τε φῶρα καὶ λύκος λύκον → the thief knows the thief and the wolf knows the wolf, and thief knows thief and wolf his fellow wolf, set a thief to catch a thief
English (LSJ)
contr. Τρῳάς (freq. written Τρωάς), άδος, fem. of Τρώϊος,
A Trojan, Od.13.263; Τρωϊάδας γυναῖκας Il.9.139, al.; Τρωϊάδες alone, 18.122, al.; Τρῶας καὶ Τρῳάδας Trojan men and Trojan women, 22.105. II γῆ Τρῳάς the Troad, S.Aj.819, al.; ἡ Τρωάς alone, Hdt.5.122.