PTS Pali-English dictionary - The Pali Text Society's Pali-English dictionary
Uṭṭhātar
Uṭṭhātar,[n.ag.of ut + ṣṭhā,see uṭṭhahati] one who gets up or rouses himself,one who shows energy S.I,214; A.IV,285,288,322; Sn.187; J.VI,297.--an° one who is without energy S.I,217; Sn.96.(Page 129)