kind of head ornament perhaps ear-ring or garland worn round the forehead Mhvs.11, Mhvs.28 (C. explains as “kaṇṇapilandhanaṃ vaṭaṃsakan ti vuttaṃ hoti”). Usually as vaṭaṃsaka Vin.ii.10; Vin.iii.180; Thag.523; Vv.38#5 (explained as “ratanamayā kaṇṇikā” (pl.) at Vv-a.174); Ja.vi.488; Vv-a.178 Vv-a.189, Vv-a.209
■ Note. The root vaṭ; given as “veṭhana” at Dhtm.106 probably refers to vaṭaṃsa.

for avaṭaṃsa: see Geiger,

Pali Grammar

§ 66#1; cp. Sk. avataṃsa with t; Prk. vaaṃsa