undertone
n.
1762, "low or subdued tone," from under + tone, n.. Figurative sense of "undercurrent of feelings, etc.," is attested from 1861.
〔蒋〕[under-下，低，小，ton音] 低音，小声
〔蒋〕[under-下，低，小，ton音] 低音，小声
| 词汇 | undertone |
| 词根词缀 | Online Etymology Dictionary 词根李平武蒋争 undertone n. 1762, "low or subdued tone," from under + tone, n.. Figurative sense of "undercurrent of feelings, etc.," is attested from 1861. 〔蒋〕[under-下，低，小，ton音] 低音，小声 |
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