den

den · noun, verb¹

1. Proto-West Germanic · inherited from*dani“threshing-floor, barn-floor”
2. Old English · inherited fromdenn“den, lair (of a beast), cave; a swine-pasture, a woodland pasture for swine”
3. Middle English · inherited fromden
4. English todayden

From Middle English den, from Old English denn (“den, lair (of a beast), cave; a swine-pasture, a woodland pasture for swine”), from Proto-West Germanic *dani (“threshing-floor, barn-floor”). Cognate with Scots den (“den, lair”), Middle Dutch denne (“burrow, den, cave, attic”), Dutch den (“ship's deck, threshing-floor, mountain floor”), Middle Low German denne, danne (“threshing-floor, small dale”), German Tenne (“threshing-floor, barn for threshing”).

den · noun²

1. Latin · derived fromdenarius
2. Old French · derived fromdenier
3. English todayden

From Old French denier, from Latin denarius.

Den · proper noun³

Shortening.

Words from the same roots