词源 |
bushing n."metal sleeve fitted into a machine or hole," 1839, from gerundive of bush (n.) "metal lining of the axle hole of a wheel or touch hole of a gun" (1560s), which is from Middle Dutch busse "box" (cognate with the second element in blunderbuss). Bush-metal "hard brass, gun-metal" is attested from 1847. updated on October 25, 2022 |