TBESG:κριθήbarleyG:N-F κριθή, -ῆς, ἡ [in LXX for שְׂעֹרָה ;] barley: pl. (as usually in cl.), Rev.6:6.† (AS)
Thayer:κριθή, -ῆς, ἡ, (in Grk. writ. [fr. Hom. down] only in plur. αἱ κριθαί), Sept. for שְׂעֺרָה, barley: Rev. vi. 6 κριθῆς R G, κριθῶν L T Tr WH.*1) barley