upādiyati

to take hold of, to grasp, cling to, show attachment (to the world), cp. upādāna DN.ii.292; MN.i.56, MN.i.67; SN.ii.14; SN.iii.73, SN.iii.94, SN.iii.135; SN.iv.168 (na kiñci loke u. = parinibbāyati); Snp.752, Snp.1103 Snp.1104; Mnd.444 (= ādeti); Cnd.164. ppr. upādiyaṃ SN.iv.24 = SN.iv.65 (an˚)
ppr med. upādiyamāna SN.iii.73; Snp-a.409, & upādiyāna (˚ādiyāno) Snp.470; Dhp.20. ger. upādāya in lit. meaning “taking up” Ja.i.30; Mil.184, Mil.338, Mil.341; for specialised meaning & use as prep see separately as also; upādā and upādiyitvā Vv-a.209; DN-a.i.109 (an˚); Dhp-a.iv.194 (an˚)
pp upādiṇṇa (q.v.).

upa + ā + , see ādiyati1