adjective (masculine)
Opasāyika (adjective) [from upasaya, upa + śī] being near at hand or at one's bidding (?) M I 328.
(one) who lies by the side of, who keeps near to
(adj, adj, from upasaya) subordinate (to); under the influence (of) [lit.] lying next to Construction: upa > opa + √sī > say > sāy + *a + *ika upasaya + *ika