Morpheme
de-
Type
prefix
Denotation
down, down from, from, off, off, away, from among; through, throughout, in different directions, between; negating prefix, often denoting completely, totally; also often merely intensive, denoting thoroughly, entirely
Etymology
Latin de and reduced form of des- and dis-
Evidence
deactivate, debark, debrief, deciduous, declutter, decrease, degradation, decompress, defenestrate, deflate, defrost, defy, deplete, depress, descend, detach