to be awake, to be enlightened in (acc.), to perceive, to know, recognise, understand DN.ii.249; SN.i.74, SN.i.198; Dhp.136, Dhp.286; Thag.146; Ja.iii.331; Ja.iv.49 Ja.iv.425; Mil.165, Mil.348 (pot. bujjheyya); Dpvs.i.14 (with gen.) Kp-a.219 (so attho sukhaṃ b.).
■ 3rd pl. bujjhare Thig.453; Bv.ii.183.
imper bujjhassu Bv.ii.183.
fut bujjhissati Bv.ii.65;
aor abujjhi Bv.ii.211, and bujjhi Ja.iv.425; Vism.209;
■ pret. 3rd sg. abujjhatha Bv.vii.22
ppr bujjhamāna Snp.395; Bv.vii.22; Dhp-a.i.93
pp buddha (q.v.)
caus 1 bodheti (q.v.)
caus 2 bujjhāpeti to lead to knowledge or recognition Ja.i.407. Two infinitives formed fr. bodh but belonging to budh are bodhuṃ Ja.v.341, and boddhuṃ Thag.167.

budh, y-formation, corresp. to Sk. budhyate for the usual bodhate. The sense is that of a Med., but is also used as Act. with acc. of object, e.g. saccāni bujjhi he recognised the truths Vism.209
■ The Dhtp (414) and Dhtm (652) explain budh by “avagamane (understanding, see ogamana), Dhtm (242) also by “bodhane” (awakening). Bdhgh’s expln of the meaning is “kilesa-santāna-niddāya uṭṭhahati cattāri vā ariyasaccāni paṭivijjhati Nibbānam eva vā sacchikaroti” Dhs-a.217, cp. translation at Expos. 294 “to rise from the slumber of the continuum of the lower nature, or a penetrating the Ariyan Truths, or a realizing Nibbāna”