deport (v.1)
late 15c., "to behave," from Old French deporter "behave, deport (oneself)" (12c.), also with a wide range of meanings in Old French, such as "be patient; take one's (sexual) pleasure with; amuse, entertain; remain, delay, tarry; cheer, console, treat kindly; put aside, cast off, send away," from de- "from, off" (see de-) + porter "to carry," from Latin portare "to carry," from PIE root *per- (2) "to lead, pass over." Related: Deported; deporting.
deport (v.2)
"banish," 1640s, from French déporter, from Latin deportare "carry off, transport, banish, exile," from de- in its sense of "off, away" (see de-) + portare "to carry," from PIE *prto-, suffixed form of PIE root *per- (2) "to lead, pass over." Associated by folk etymology with portus "harbor." Related: Deported; deporting.