Anānu -- represents the metrically lengthened from of ananu- (an + anu), as found e. g. in the foll. cpds.: ˚tappaŋ (ppr.) not regretting J v.492; ˚puṭṭha questioned Sn 782 (= apucchita SnA 521); ˚yāyin not following or not defiled by evil Sn 1071 (expld. at Nd2 42 by both avedhamāna (?) avigacchamāna & by arajjamāna adussamāna); ˚loma not fit or suitable D ii.273 (v. l. anu˚).

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