εἱρμός

A. train, series, sequence, Arist. Pr. 916a31, Ph. 1.6, Plot. 3.1.2, etc.; εἱ. αἰτιῶν concatenation of causes, Placit. 1.28.4, cf. Iamb. ap. Stob. 1.5.17; so εἱρμός alone, Chrysipp.Stoic. 2.284, cf. Hierocl. in CA 11p.442M.

2. connexion, εἱ. λόγου πρὸς βίον Ph. 1.569.