Origin: 1375–1425;late Middle Englishdejecten (v.) < Latindējectus (past participle of dējicere to throw down), equivalent to dē-de- + -jec-, combining form of jacere to throw + -tus past participle suffix
early 15c., from L. dejectus, pp. of deicere "to cast down," from de- "down" + -icere, comb. form of jacere "to throw." Originally literal; the sense of "depress in spirit" is mid-15c. Related: Dejectedly (1610s).