-ā (f.)

1. making clear, ascertainment, explanation, exposition Ja.iii.389; Vb.342, Vb.343 (ā); Snp-a.13, Snp-a.261 sq., Snp-a.318; Vb-a.409 (ā) Thag-a.76 (ā), Thag-a.230; Pv-a.137, Pv-a.140 (so read for vibhavanā in attha˚).
2. annihilation, disappearance, making non-existing (cp. vibhava 2) Dhs-a.163 (vibhāvanā nāma antara-dhāpanā ti attho).

fr. vibhāveti