ἄλῠτος · alytos — LSJ
not to be loosed or broken, indissoluble, πέδαι, δεσμοί, Il. 13.37, Od. 8.275, A. Pr. 55; ἀδάμας AP 12.93 (Rhian.); Μοιράων νῆμα Phanocl. l.c., cf. Epigr.Gr. 520 (Thessalonica); πτολέμοιο πεῖραρ Il. 13.360; κύκλος (of the wheel of the ἴϋγξ) Pi. P. 4.215; irremediable, S. El. 230 (lyr.): of substances, insoluble, Arist. Mete. 384b7. Adv. -τως Pl. Ti. 60c.
of arguments or evidence, not to be confuted, irrefutable, Arist. Rh. 1357b17, 1403a14; συλλογισμός Arist. APr. 70a29.
undissolved, Pl. Ti. 60e.