See also: ρεύματος Ancient Greek Pronunciation IPA(key): /r̥ěu̯.ma.tos/ → /ˈreβ.ma.tos/ → /ˈrev.ma.tos/ (5th BCE Attic) IPA(key): /r̥ěu̯.ma.tos/ (1st CE Egyptian) IPA(key): /ˈrew.ma.tos/ (4th CE Koine) IPA(key): /ˈreβ.ma.tos/ (10th CE Byzantine) IPA(key): /ˈrev.ma.tos/ (15th CE Constantinopolitan) IPA(key): /ˈrev.ma.tos/ Noun ῥεύμᾰτος • (rheúmatos) n genitive singular of ῥεῦμᾰ (rheûma)Wikiwand - on Seamless Wikipedia browsing. On steroids.