Know how to use "fewer" and "less"? Find out.
early 15c., from Old French dejection "abjection, depravity; casting down" and directly from Latin dejectionem (nominative dejectio), noun of action from past participle stem of dejicere "to cast down" (see deject).
dejection de·jec·tion (dĭ-jěk'shən)
Lowness of spirits; depression; melancholy.
The evacuation of the bowels; defecation.