instrumental/ablative
very much
Ativiya (adverb) [Sanskrit atīva] = ati + iva, originally "much-like" like an excess = excessively. There are three forms of this expression, viz. (1) ati + iva in contraction atīva (q.v.); (2) ati + iva with epenthetic r: atiriva D II 264 (v.l. atīva); Snp 679, 680, 683; Pj II 486; (3) ati + viya (the doublet of iva) = ativiya Ja I 61, 263; Dhp-a II 71 (a. upakāra of great service); Pv-a 22, 56, 139.
excessively, very much, especially, much more than’
【無】許多。
(ind, ind, adv, from iva) too much; very; extremely; exceedingly very much [lit.] like too much Construction: ati + iva > viya