āyas | आयस् | Ayas
ā-√ yas | आ-√ यस् | P. -yasyati | -यस्यति |, to work hard, exert one's self, weary one's self, MBh.; R.; BhP.; Hariv. &c.; to become exhausted, Hariv.; R. &c.: Caus. P. -yāsayati | -यासयति |, to weary, worry; to give pain, torment, Suśr.; MBh.; Kathās. &c.: Pass. of Caus. -yāsyate | -यास्यते |, to pine away; to consume by grief, R. &c.