ἀπο-σχίζω,
split, cleave off, ἀπὸ δ᾽ ἔσχισεν αὐτήν [τὴν πέτρην] [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 4.507] Refs 8th c.BC+]; tear off, [[ 5th c.BC: Euripides Tragicus “Alcestis” 172, 2nd-3rd c.AD: Oppianus Anazarbensis Epicus “Halieutica - Poetae Bucolici et Didactici” 2.623. ] Refs 5th c.BC+]
__2 sever, detach from, τινὰ ἀπὸ τοῦ συμμαχικοῦ[[ 5th c.BC: Herodotus Historicus 6.9] Refs 5th c.BC+]; ἀ. Αυδούς part them off, separate them, [[ 5th-6th c.BC: Plato Philosophus “Politicus” 262e; τὴν ἰδίαν ψυχὴν τῆς τῶν λογικῶν 2nd c.AD: Marcus Antoninus Imperator 4.29:] Refs 5th c.BC+] — passive, ἀποσχισθῆναι ἀπό.., of a river being parted from the main stream, [[ 5th c.BC: Herodotus Historicus 2.17, 4.56 ] Refs 5th c.BC+]; of a tribe detached from its parent stock, [[ [prev. author] 1.58, 143; ἀπὸ τῆς μεγάλης φλεβὸς -σχίζεται 4th c.BC: Aristoteles Philosophus “Historia Animalium” 514b10: with _genitive_, ἀποσχισθέντες τῆς ἄλλης στρατιῆς 5th c.BC: Herodotus Historicus 8.35, compare 7.233, 5th-6th c.BC: Plato Philosophus “Politicus” 267b, etc.] Refs 5th c.BC+]:—middle, separate oneself, [[ [prev. author] “Lg.” 728b; τοῦ σοφιστοῦ 4th c.AD: Libanius Sophista “Orationes” 3.24. ] Refs 4th c.AD+]
__3 metaphorically, ἀ. τινὰ τοῦ λόγου cut him off from his speech, interrupt him in it, [[ 5th-6th c.BC: Aristophanes Comicus “Nubes” 1408.] Refs 5th c.BC+]