- jackboot (n.)
[jackboot 词源字典]
- 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.[jackboot etymology, jackboot origin, 英语词源]