1530s, of armies, "to retreat, draw back," also, of persons, "to withdraw" to some place, especially for the sake of privacy; from French retirer "to withdraw (something)," from re- "back" (see re-) + Old French tirer "to draw" (see tirade). Related: Retired; retiring.
The sense of "leave one's business or occupation" is by 1660s. The meaning "to leave company and go to bed" is from 1660s. Transitive sense is from 1540s, originally "withdraw, lead back" (troops, etc.); meaning "to remove from active service" is from 1680s. Baseball sense of "to put out" (a batter or team) is recorded by 1874.
1580s, "separated from society or public notice, withdrawn into seclusion," past-participle adjective from retire (v.). Meaning "having given up business" is from 1824. Abbreviation ret'd. attested from 1942.
1590s, "act of retreating, act of falling back," also "act of withdrawing into seclusion," from French retirement (1570s); see retire + -ment. Meaning "privacy, state of being withdrawn from society" is from c. 1600; that of "withdrawal from occupation or business" is from 1640s.
Solitude is the condition of being absolutely alone, whether or not one has been with others, or desires to escape from them .... Retirement is comparative solitude, produced by retiring, voluntarily or otherwise, from contact which one has had with others. Seclusion is stronger than retirement, implying the shutting out of others from access .... [Century Dictionary]
"room appropriated for the reception of company," 1640s, short for withdrawing room (16c.; see withdraw), into which ladies would retire after dinner. Earlier in the sense of "private room" as draw-chamber (mid-15c.); drawyng chaumber (early 15c.).
early 15c., receden, "to depart, go away," a sense now rare or obsolete; of things, "to move back, retreat, withdraw," from Old French receder and directly from Latin recedere "to go back, fall back; withdraw, depart, retire," from re- "back" (see re-) + cedere "to go" (from PIE root *ked- "to go, yield"). Sense of "to have a backward inclination, slope, or tendency" is by 1866. Related: Receded; receding.