ukkaṃsa
exaltation, excellence, superiority (opp. avakkaṃsa) DN.i.54 (ukkaṃs-âvakkaṃsa hāyana-vaḍḍhana DN-a.i.165); MN.i.518; Vism.563 (id.) Vv-a.146 (˚gata excellent), Vv-a.335 (instr. ukkaṃsena par excellence exceedingly); Pv-a.228 (˚vasena, with ref. to devatās; variant reading SS okk˚).
fr. ud + kṛṣ see ukkassati