初 Commencement, inception; the beginning, the opening, the start, the outset (adaya, adi).

ādi, prathama, pūrva; agrya, acira, apaścima, apūrvaka, āditas, ādya, āpāta, ārabdha, ārambha, eka, tat-prathamatas, tatrādita eva, nava, purā, purima, pūrva-kāla, prathamatas, prathamāt, prāk, śiśu.

佛教漢梵大辭典, 平川彰 Buddhist Chinese-Sanskrit Dictionary, Akira Hirakawa

P 264-271