to laugh, be joyful or cheerful Snp.887 (= haṭṭha pahaṭṭha Mnd.296; cp. Snp-a.555 hāsajāta) The pp. pahasita (q.v.) is derived fr. pres. pahasati which makes the equation pahassati = pahaṃsati² all the more likely.

pa + has, perhaps pa + hṛṣ, Sk. harṣati, cp. pahaṃsati²