Usage: 5 forms in 5 verses
Form Translated As     In Verse(s)
απηρείσατο fastened LXX.Ezek.24.2
απηρείσαντο fastened LXX.1Chr.16.1
απηρείδοντο fastened LXX.1Kgs.14.28
απερείσηται should fasten LXX.Amos.5.19
απερείδομαι fasten LXX.Judg.6.37

Liddell-Scott-Jones

ἀπερείδω (apereidō) to fasten G:V

ἀπερείδω,

fix, settle, τὰς ὄψεις[Refs 1st c.AD+]support, [Refs 4th c.AD+]

__2 intransitive, = passive, ἔνθα ὄψις ἀπερείδῃ[Refs 2nd c.AD+]; but,
__II used by earlier writers in middle with perfect passive in middle sense, support oneself upon, rest upon, . ἐν τῷ χαλινῷ, of a horse, lean upon the bit, [Refs 5th c.BC+]supporting himself on.., [Refs 5th c.BC+]; πείσμασιν, of a ship, [Refs 3rd c.BC+]to be fixed steadily on.., [Refs 5th c.BC+]; εἰς ἓν κεφάλαιον . rest entirely on..,[Refs]rely on, [Refs 5th c.BC+]
__III middle in active sense, . εἰς τοῦτο [τὸ οὖς] [Refs 5th c.BC+]; . ἐλπίδας εἴς τινα, ἐπί τινα, fix one's hopes upon one, [Refs 2nd c.BC+]; . ὀργὴν ἔς τινα, χάριν ἐπί τινα, direct one's anger, one's gratitude, towards him, [Refs 2nd c.BC+]; of Fortune, τὴν νέμεσιν εἰς τὸν οἶκον[Refs]; . ἄγνοιαν ἐπί τινας throw the blame of their ignorance upon.., [Refs 2nd c.BC+]
__III.2 . λείαν εἰς τόπον place, deposit in.., [Refs 3rd c.BC+]