σφην-όω,
shape like a wedge, [[ Gp. 17.19.4 ] Refs]:—passive, to be cloven with a wedge, [[ 4th c.BC: Aristoteles Philosophus “Mechanica” 853a27 ] Refs 4th c.BC+]; κλίνη χρυσῷ ἐσφηνωμένη inlaid, [[ 2nd c.AD: Lucianus Sophista “Asin.” 53 codices ] Refs 2nd c.AD+]
__2 fix by means of a wedge, [[ 2nd-1st c.BC(?): Hero Mechanicus “Belopoeica” 107.14 ] Refs 2nd c.BC+]:—passive, to be wedged in, εἰς τὸ μέσον [[ 2nd c.BC: Polybius Historicus 27.11.4 ] Refs 2nd c.BC+]; to become fixed like a wedge, [[ 2nd c.AD: Soranus Medicus 2.55, 2nd c.AD: Galenus Medicus 6.179. ] Refs 2nd c.AD+]
__3 plug up, close up, τρήματα σπόγγοις [[ Scholia 5th-6th c.BC: Aristophanes Comicus “Acharnenses” 462; τοῖς μότοις 4th c.AD: Oribasius Medicus “fragment” 134:] Refs 5th c.BC+] —middle, τὸ πρόθυρον σφήνου close the vestibule, [[“Anthologia Graeca” 5.40 (2nd-3rd c.AD: Rufinus Epigrammaticus)] Refs 2nd c.AD+]:—passive, falsa lectio in [[ 1st c.AD: Dioscorides (Dioscurides) Medicus 5.31; ὅταν σφηνωθῇ ἡ ὀπή “Geoponica” 9.10.4 ] Refs 1st c.AD+]; σφηνοῦνται τὰς κεφαλάς they catch a cold in the head, [[ 3rd c.AD: Cassius Medicus “Physici et Medici Graeci Minores” 25 ] Refs 3rd c.AD+]; σφηνωθεὶς ἀπέθανεν, of obstruction, [[ Anonymus cited in 10th c.AD: Suidas Legal icographus ] Refs]
__II torture, rack (see. σφήν), [[ 1st-2nd c.AD: Plutarchus Biographus et Philosophus 2.498d. ] Refs 1st c.AD+]