1. attempt, effort, inception of energy (cp. Dhs trsl. 15 & K. S. p. 318 giving Commentary defined as kicca, karaṇīya, attha, i.e. 1. undertaking duty, 2. object. SN.i.76 (mah˚); SN.v.66, SN.v.104 sq. (˚dhātu) SN.iii.338 (identical), SN.iii.166 (˚ja; Text arabbhaja, variant reading ārambhaja to be preferred) = Pp.64 Mil.244 Netti.41 Dhs-a.145
2. -viriyārambha (cp. āraddha-viriya) zeal, resolution, energy Vin.ii.197 SN.iv.175 AN.i.12 AN.i.16
3. support, ground object, thing Ne.70 sq., Ne.107; an˚; unsupported, independent Snp.743 (= nibbāna Snp-a.507). Cp. also nirambha upārambha, sārambha.

Sk. ārambha in meaning “beginning”, fr ā + rabh (rambh) cp. ārabhati