adjective “getting-up-ish”, i.e. ready to get up, quick, alert active, industrious; f. -ikā Thig.413 (= uṭṭhāna-viriyasampannā Thag-a.267; variant reading uṭṭhāhikā)

adj. formation fr. uṭṭhāya, ger. of uṭṭhahati