(fr. yu + sma), the actual base of the 2nd pers. pron. in the pl. number (from which all cases except the nom. yūyám are derived, viz. yuṣmā́n, yuṣmā́bhis, yuṣmábhyam, yuṣmát, yuṣmā́kam, in Ved. also acc. f. yuṣmā́s; loc. yuṣmé, and gen. yuṣmāka; cf. Gk. ὔμμες, fr. ὐσμες).