ῥεῖα
From LSJ
Ῥᾷον παραινεῖν ἢ παθόντα καρτερεῖν → Patientiam suadere facile, non pati → Es spricht sich leichter zu, als stark zu sein im Leid
English (LSJ)
Ep. for ῥέα, ῥᾶ (qq. v.), (sts. elided, Il.15.356, Od.17.273), Adv. of ῥᾴδιος,
A easily, lightly, freq. in Hom. (v. infr.) and Hes. (Op.6, al., but ῥέα ib.5); θεοὶ ῥεῖα ζώοντες the gods who live at ease, Il.6.138, Od.4.805; τούτοισιν μὲν ταῦτα μέλει, κίθαρις καὶ ἀοιδή, ῥεῖα lightly, pleasantly, 1.160; strengthd. ῥεῖα μάλ' Il.3.381, 15.362, etc.; ὡς ῥεῖα κυβιστᾷ easily, deftly, 16.745, cf. 749.