Ὑπὸ γὰρ λόγων ὁ νοῦς μετεωρίζεται ἐπαίρεταί τ' ἄνθρωπος → Borne up by words, the mind soars aloft, and we reach the heights (Aristophanes, Birds 1447f.)
circŭlāris: e, adj. circulus,
I circular, round (post-class.): flexus, Mart. Cap. 6, § 579; 8, § 814 init.
circŭlāris, e (circulus), circulaire : Capel. 6, 660 || circularis numerus Isid. Orig. 3, 7, 5, nombre carré.