mainstay
n.
"chief support," 1787, figurative use of a nautical noun meaning "stay which extends from the main-top to the foot of the foremast" (late 15c.), from main, adj. + stay, n..
| 词汇 | mainstay |
| 词根词缀 | Online Etymology Dictionary mainstay n. "chief support," 1787, figurative use of a nautical noun meaning "stay which extends from the main-top to the foot of the foremast" (late 15c.), from main, adj. + stay, n.. |
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