Ukkācanā (feminine) [from ukkāceti, ud + *kāc, see ukkācita] enlightening, clearing up, instruction Vibh 352 (in definition of lapanā, v.l. °kāpanā). Note Kern, Toev. sub voce compares Vism page 115 and Sanskrit uddīpana in same sense. Definition at Vism 27 (= uddīpanā).