permit (n.) Look up permit at
"written statement of permission or licence," 1714, from permit (v.).
permit (v.) Look up permit at
late 15c., from Middle French permetre and directly from Latin permittere "let pass, let go, let loose; give up, hand over; let, allow, grant, permit," from per "through" (from PIE root *per- (1) "forward," hence "through") + mittere "let go, send" (see mission). Related: Permitted; permitting.