ἄγκοινα
From LSJ
αἱ μέν ἀποφάσεις ἐπί τῶν θείων ἀληθεῖς, αἱ δέ καταφάσεις ἀνάρμοστοι τῇ κρυφιότητι τῶν ἀποῤῥήτων → as concerns the things of the gods, negative pronouncements are true, but positive ones are inadequate to their hidden character
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.