χιλιάς
From LSJ
προσέχετε ἀπὸ τῶν ψευδοπροφητῶν οἵτινες ἔρχονται πρὸς ὑμᾶς ἐν ἐνδύμασιν προβάτων ἔσωθεν δέ εἰσίν λύκοι ἅρπαγες → beware of the false prophets, who come to you in sheep's clothing, and inwardly are ravening wolves
English (LSJ)
άδος, ἡ: gen. pl.
A χιλιάδων Hdt.2.28 (χιλιαδέων v.l. in 7.28):—a thousand, Id.6.58, 7.28, A.Pers.341; χ. τέτορες Simon. 91; c. gen., πολλὰς χιλιάδας ταλάντων Hdt.2.96, cf. 28; ἐννέα χιλιάδας ἐτῶν Pl.Phdr.257a. 2 generally, large number, Theoc.16.91, Luc.Herm.56; πολλαὶ χ., of lines of poetry, Call.Aet.Oxy.2079.4. 3 Χιλιάδες, αἱ, title of poem by Euph., Ath.10.436f, etc. II = χιλιετηρίς, Alex.Aetol.4.4; Ῥωμαϊκὴ χ., title of work by Asinius Quadratus, St.Byz. s.v. Ἀνθιον (cf. χιλιαρχία 111, χιλιετηρίς).