ῥᾶ
From LSJ
οἵ γε καὶ ἐν τῷ παρόντι ἀντιπάλως μᾶλλον ἢ ὑποδεεστέρως τῷ ναυτικῷ ἀνθώρμουν → whose navy, even as it was, faced the Athenian more as an equal than as an inferior
English (LSJ)
Adv.
A easily, Alcm.42, S.Fr.1086, Ion Trag.66. [Codd. vary between ῥᾶ and ῥᾴ; only ῥᾴ (ῥάι) seems to be admitted by A.D.Adv. 156.8, Eust.163.20, but ῥᾶ is prob. correct Attic and Dor. for Ρᾱᾰ whence Ep. Ρῆα (written ῥεῖα in Hom. but ῥήα in Alc.Supp.12.7), later Ion. ῥέα (q.v.); cf. Aeol. βρᾷ.]
ῥᾶ, τό,
A rhubarb, Rheum officinale, Dsc.3.2; growing near the river Rha (mod. Volga), whence its name acc. to Amm.Marc.22.8.28; cf. ῥῆον.