ἄλφα, τό,
indeclinable (plural τὰ ἄ.[[ 4th c.BC: Aristoteles Philosophus “Metaphysica” 1087a8)] Refs 4th c.BC+], see A a [near the start];[[compare 4th c.BC: Aeneas Tacticus 31.18, Calliasap. 2nd c.AD: Athenaeus Epigrammaticus 10.453d, 5th-6th c.BC: Plato Philosophus “Cratylus” 431e; ἐπίσταται δ᾽ οὐδ᾽ ἄλφα συλλαβὴν γνῶναι 3rd c.BC: Herodas Mimographus 3.22. ] Refs 5th c.BC+]
__2 T-square, [[ 11th-12th c.AD: Eustratius Philosophus “in Ethica Nicomachea commentaria - Comm. in Arist. Graeca xx” 74.2. ] Refs]
__3 Phoenician for βοὸς κεφαλή, [[ 5th c.AD(?): Hesychius Legal icographus ] Refs 5th c.AD+]
__4 metaphorically, τὸ ἄλφα καὶ τὸ ὦ the first and last, [[ NT.Rev.1.8, +others] NT]