pēchos

πῆχυς
(Aeolic dialect πᾶχυς Refs 7th c.BC+, ὁ, genitive πήχεος LXX+5th c.BC+: genitive plural πήχεων Refs 3rd c.BC+; later contraction πηχῶν Refs 5th c.BC+, Moer.p.327 P.:—forearm, from wrist to elbow, Refs 5th c.BC+; opposed to βραχίων, Refs 5th c.BC+: in Poets, generally, arm, ἀμφὶ δ᾽ ἑὸν φίλον υίὸν ἐχεύατο πήχεε λευκώ Refs 8th c.BC+; λευκὸν ἀντείνασα π. Refs 5th c.BC+; λαιὸν ἔπαιρε π. Refs
2 Anatomy texts, ulna, Refs 2nd c.AD+
II centrepiece, which joined the two horns of the bow, τόν ῥ᾽ [ὀϊστὸν] ἐπὶ πήχει ἑλὼν ἕλκεν νευρήν Refs 8th c.BC+
III in plural, horns of the lyre, opposed to ζυγόν (the bridge), Refs 5th c.BC+
III.2 also, ={ζυγόν}, crosspiece or bridge in which the horns were fitted, Refs
IV in the balance, beam, Refs
V as a measure of length, distance from the point of the elbow to that of the middle finger, = 6 παλασταί = 24 δάκτυλοι, Refs 5th c.BC+; π. ἰδιωτικός, κοινός, Refs 5th c.BC+; for later measurements, Refs 2nd c.BC+
V.2 cubit-rule, as we say 'foot-rule', Refs 5th c.BC+; as epithet of Nemesis, Refs
V.3 metaphorically of any small amount (compare πήχυιος), NT; κατὰ πῆχυν little by little, Refs 5th c.AD+
VI πήχεις, οἱ, the cubits (of inundation), represented in pictures as children one cubit high playing round the Nile, Refs 2nd c.AD+. (Cf. Sanskrit bāhú-, Avest. bāzu- (masculine) 'arm', ONorse bógr 'shoulder'.)

H. G. Liddell, R. Scott, H. S. Jones, A Greek-English Lexicon (9th ed., 1925–1940) — digitised by the Perseus Digital Library and corrected and expanded by Tyndale House, Cambridge, via STEPBible-Data's TFLSJ table, CC BY 4.0. Covers all of Greek literature, not just the Bible.