ἄκρα,
Ionic dialect ἄκρη, ἡ, (feminine of ἄκρος) highest or farthest point:
__1 headland, cape, [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 4.425, 14.36, 8th c.BC: Odyssea Homerus Epicus “Odyssey” 9.285, 5th c.BC: Sophocles Tragicus “Trachiniae” 788, 5th-6th c.BC: Plato Philosophus “Critias” 111a: _metaphorically_, ἄκρην πενίης οὐχ ὑπερεδράμομεν 6th c.BC: Theognis Elegiacus 619, compare 4th-5th c.BC: Aeschylus Tragicus “Eumenides” 562; κάμπτειν 4th-3rd c.BC: Menander Comicus 4. ] Refs 8th c.BC+]
__2 hill-top, height, [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 8.508, “Hymnus ad Isim” 72 (_plural_). ] Refs 8th c.BC+]
__3 of a wave, crest, οὐ γὰρ ὑπερθεῖν κύματος ἄκραν δυνάμεσθα[[ 5th c.BC: Euripides Tragicus “Fragmenta” 230. ] Refs 5th c.BC+]
__4 [[ 8th c.BC: Homerus Epicus only in phrase κατ᾽ ἄκρης, νῦν ὤλετο πᾶσα κατ᾽ ἄκρης Ἴλιος αἰπεινή] Refs 8th c.BC+] from top to bottom, i.e. utterly, [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 13.772; κατ᾽ ἄ. Ἴλιον ἑλέειν 15.557, compare 24.728, 5th c.BC: Herodotus Historicus 6.18, 5th c.BC: Thucydides Historicus 4.112; κατ᾽ ἄ. ἐξαιρεῖν 5th-6th c.BC: Plato Philosophus “Leges” 909b] Refs 8th c.BC+]; γῆν πατρῴαν.. πρῆσαι κατ᾽ ἄ. utterly, [[ 5th c.BC: Sophocles Tragicus “Antigone” 201: _metaphorically_, κατ᾽ ἄ. ὡς πορθούμεθα] Refs 5th c.BC+] how utterly..! [[ 4th-5th c.BC: Aeschylus Tragicus “Choephori” 691, compare 5th c.BC: Sophocles Tragicus “Oedipus Coloneus” 1242, 5th c.BC: Euripides Tragicus “Iphigenia Aulidensis” 778] Refs 5th c.BC+]; but ἔλασεν μέγα κῦμα κατ᾽ ἄ. from above, [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 5.313. ] Refs 8th c.BC+]