a. and adv. [OE. fenlic, f. FEN sb.1 + -lic, -LY1; the mod. form would be *fenly.] Fenny, dirty, marshy, miry. Hence Fenliche adv., filthily.
c. 1000. Ælfric, Gram., ix. (Z.), 45. Paluster, fenlic.
c. 1000. Guthlac (1848), 22. Betwyx þa fenlican ȝewrido þæs widgillan westenes, þæt he ana ongan eardian.
a. 1225. Ancr. R., 206. Hwo se nule iðe muchele fulðe uenliche uallen.
a. 1240. Ureisun, in Cott. Hom., 202. Ich ham wið hore horie fenliche ifuled.