Τρᾱχίς · Trachis — LSJ
Trachis in Thessaly, Il. 2.682, etc.; also Τραχίν, Str. 9.4.13:—Adj. Τρᾱχίνιος [ῑν], α, ον, Ion. Τρηχ-, Hdt. 7.198, S. Ph. 491, etc.; also ος, ον Theoc. 24.83; fem. Τρᾱχῑνίς, ίδος, Paus. 10.22.1: οἱ Τραχίνιοι, Ion. Τρηχ-, the people of T., Hdt. 7.175, Th. 3.92, etc.; αἱ Τ., name of tragedy by S.: ἡ Τραχινία, Ion. Τρηχ-, the country of T., Hdt. 8.31, Th. l.c., etc.; but the country was also called Τραχίς, Id. 3.100, 4.78, 5.51.