to take up, acquire, learn [cp. BSk. udgṛhṇāti in same sense, e.g. Divy.18 Divy.77 etc.] Snp.912 (uggahaṇanta = uggahaṇanti = uggaṇhanti Snp-a.561); imper. uggaṇha Ja.ii.30 (sippaṃ); uggaṇhāhi Mil.10 (mantāni); ger. uggayha Snp.832 Snp.845; Mnd.173
caus uggaheti in same meaning Sdhp.520; aor. uggahesi Pv.iii.5#4 (nakkhatta-yogaṃ = akari Pv-a.198); ger. uggahetvā Ja.v.282, Vv-a.98 (vipassanākammaṭṭhānaṃ); infin. uggahetuṃ Vv-a.138 (sippaṃ to study a craft)
caus 2 uggaṇhāpeti to instruct Ja.v.217; Ja.vi.353
pp uggahita (q.v.). See also uggahāyati
■ A peculiar ppr. med. is uggāhamāna going or wanting to learn DN-a.i.32 (cp. uggāhaka).

ud + gṛh, see gaṇhāti