backbone的词源

英文词源

backbone (n.)

"spine," early 14c., from back (n.) + bone (n.). Figurative sense of "strength of character" is attested from 1843.

中文词源

backbone：脊椎骨，骨干，主干

词根词缀： back背 + bone骨

该词的英语词源请访问趣词词源英文版：backbone 词源，backbone 含义。