Fennig

According to the Old English Dictionary:

fennig

Add:--On wege fennigum lǽdan oððe gán teónan hefige getácnað, Lch. iii. 212, 7. Cenosas þá fennigan meras, i. paludes paludosas vel adelihtan, fúlan lutosas, fetidas, immundas, Wrt. Voc. ii.130, 67. Fennegan stagnosa, An. Ox. 36, 13. fennig