kubbamāna : [pr.p. of kubbati] doing; performing.
 

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

kubbati: 作{pp. kubbata; ppr. kubbāna, kubbamāna; 單3為自言opt. kubbetha}

巴漢辭典 編者：(斗六) 廖文燦