ἄγκοινα
From LSJ
μή μοι θεοὺς καλοῦσα βουλεύου κακῶς· πειθαρχία γάρ ἐστι τῆς εὐπραξίας μήτηρ, γυνὴ Σωτῆρος· ὦδ᾽ ἔχει λόγος → When you invoke the gods, do not be ill-advised. For Obedience is the mother of Success, wife of Salvation—as the saying goes.
English (LSJ)
ἡ, (ἀγκον-ya, cf. ἀγκών) poet. for ἀγκάλη, only in pl.,
A Ζηνὸς . . ἐν ἀγκοίνησιν ἰανεις Il.14.213, cf. Od.11.261, Hes.Fr.245, A.R. 2.954.2. metaph., anything enfolding, ἐν χθονὸς ἀγκοίναις AP9.398 (Jul. Aegypt.), cf. Opp.H.3.34. II halyard, IG2.794b20, al., prob. in Alc.18.9.