Liddell-Scott-Jones

ὑπολύω (hupoluō) to untie ^G:V

ὑπολύω,

loosen beneath or below, ὑπέλυσε δὲ γυῖα made his limbs give way under him (by giving him a deadly wound), [Refs 8th c.BC+]; ὑπέλυσε μένος καὶ φαίδιμα γυῖα made courage and strength fail, [Refs 8th c.BC+]; of wrestlers, ὑπέλυσε δὲ γυῖα [Refs]:—passive, ὑπέλυντο δὲ γυῖα [Refs]; λύθεν δ᾽ ὑπὸ φαίδιμα γυῖα[Refs 5th c.BC+]

__II loose from under the yoke, ὁ δ᾽ ἔλυεν ὑφ᾽ ἵππους [Refs 8th c.BC+]; loose from under the sheep, ἑταίρους [Refs 8th c.BC+] —middle, σὺ τόν γ᾽.. ὑπελύσαο δεσμῶν thou didst set him free from bonds, [Refs 8th c.BC+]
__II.2 untie a person's sandals from under his feet, take off his shoes, ὑπαί τις ἀρβύλας λύοι [Refs 5th c.BC+]:—middle, take off one's own sandals or shoes, or have them taken off, τὰς ἐμβάδας [Refs 5th c.BC+] —also
__II.2.b with accusative person, ὑ. τινά unshoe him, take off his shoes, οὐχ ὑπολύσεις αὐτό; [Refs 5th c.BC+]
__II.3 middle, disarm oneself, [Refs 2nd c.AD+]
__III passive, to be released, of mortgaged properties or pledges, [Refs 4th c.BC+]