ἄνταρ
From LSJ
ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners
English (LSJ)
ἀετός (Etruscan), Hsch. = δίασμα, Euph. 147.
Greek (Liddell-Scott)
ἄνταρ: «ἀετὸς ὑπὸ Τυρρηνῶν· Εὐφορίων δὲ δίασμα» Ἡσύχ.
Spanish (DGE)
1 urdimbre Euph.158.
2 etrusco águila Hsch.
Frisk Etymological English
Grammatical information: -; n.
Meaning: · ἀετὸς ὑπο Τυρρηνῶν. Εὐφορίων δε δίασμα (warp) H.
Origin: (Etr.) GR [a formation built with Greek elements]
Etymology: These are clearly two glosses. The first is Etruscan. For the second cf. ἀντίον (part of the) loom; so prob. from ἀντ- in ἀντί etc., with the inanimate suffix -αρ (or from ἀραρίσκω?).