samādiyati
to take with oneself, to take upon oneself, to undertake DN.i.146; imper. samādiya Bv.ii.118 = Ja.i.20; aor. samādiyi SN.i.232; Ja.i.219; ger samādiyitvā SN.i.232; & samādāya having taken up, i.e. with DN.i.71; Pp.58; DN-a.i.207; Mhvs.1, Mhvs.47; having taken upon himself, conforming to DN.i.163; DN.ii.74; Dhp.266; Snp.792, Snp.898, Snp.962; samādāya sikkhati sikkhāpadesu he adopts and trains himself in the precepts DN.i.63; SN.v.187; Iti.118; Snp.962 (cp. Mnd.478)
pp samādinna.
saṃ + ādiyati1