boot (v.1)youdaoicibaDictYouDict[boot 词源字典]
"to kick," 1877, American English, from boot (n.1). Generalized sense of "eject, kick out" is from 1880. Related: Booted; booting.[boot etymology, boot origin, 英语词源]
jackboot (n.)youdaoicibaDictYouDict
also jack-boot, 1680s, type of large, strong cavalry boot of 17c.-18c., later a type worn by German military and para-military units in the Nazi period. From jack (n.), though the exact sense here is unclear + boot (n.1). Figurative of military oppression since 1768. Related: Jackbooted.
reboot (v.)youdaoicibaDictYouDict
1981, from re- + boot (v.) in the computer sense. Related: Rebooted; rebooting.