command v.

mid-14c., comenden, "praise, mention approvingly," from Latin commendare "to commit to the care or keeping (of someone), to entrust to; to commit to writing;" hence "to set off, render agreeable, praise," from com-, here perhaps an intensive prefix (see com-), + mandare "to commit to one's charge" (see mandate (n.)). A doublet of command.

Sense of "commit, deliver with confidence" in English is from late 14c. Meaning "bring to mind, send the greeting of" is from c. 1400. The "praise" sense is from the notion of "present as worthy of notice or regard;" also in some cases probably a shortening of recommend. Related: Commended; commending.

c. 1500, "a command, a judicial or legal order," from French mandat (15c.) and directly from Latin mandatum "commission, command, order," noun use of neuter past participle of mandare "to order, commit to one's charge," literally "to give into one's hand," probably from manus "hand" (from PIE root *man- (2) "hand") + dare "to give" (from PIE root *do- "to give").

Political sense of "approval supposedly conferred by voters to the policies or slogans advocated by winners of an election" is from 1796. League of Nations sense "commission issued by the League authorizing a selected power to administer and develop a territory for a specified purpose" (also used of the territory so specified) is from 1919.