keynote
n.
also key-note, "lowest note of a musical scale, basis of a scale," 1776, from key, n.1 in sense of "musical scale" + note, n.. Figurative sense of "leading idea" is from 1783; keynote address is 1905, American English.
| 词汇 | keynote |
| 词根词缀 | Online Etymology Dictionary keynote n. also key-note, "lowest note of a musical scale, basis of a scale," 1776, from key, n.1 in sense of "musical scale" + note, n.. Figurative sense of "leading idea" is from 1783; keynote address is 1905, American English. |
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