dubbaṇṇa : [adj.] of bad colour; discoloured; ugly.

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

Dubbaṇṇa see under vaṇṇa.

Pali-English Dictionary, TW Rhys Davids, William Stede,

dubbaṇṇa([du惡]+[vaṇṇa顏色]): n.a. 惡顏色

巴漢辭典 編者：(斗六) 廖文燦