ἀμετάθετος

English (LSJ)

ον,

   A unalterable, immutable, κατάληψις, of knowledge, Zeno Stoic.1.20; of fate, Chrysipp.ib.2.264, cf. Plb.30.17.2; ἀκίνητα καὶ ἀ. OGI331 (Pergam.), etc. Adv. -τως, διακεῖσθαι D.S.1.83, cf. Ascl.in Metaph. 22.6.    2 Gramm., not inflected, A.D.Synt.322.1.