Origin of fenMiddle English from OE, akin to German fenne, marsh, Gothic fani, mud from Indo-European base an unverified form pen-, wet, slime, mire from source German feucht, damp
Origin of fenChinese
Origin of fenMiddle English from Old English fenn
Old English fenn, from Proto-Germanic *fanją (cf. West Frisian fean, Dutch veen, Norwegian fen), from Proto-Indo-European *pen ‘bog, mire’ (cf. Middle Irish en ‘water’, enach ‘swamp’, Old Prussian pannean ‘peat-bog’, Sanskrit pánkas ‘marsh, mud’).
fen plural (singular: fan)