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topple
[topple 词源字典]
topple:
see
top
[topple etymology, topple origin, 英语词源]
topple (v.)
1580s, "tumble down, fall headfirst," earlier "tumble or roll about" (1540s), from
top
(v.) "to tip" + frequentative suffix
-le
. Transitive sense also is from 1590s. Related:
Toppled
;
toppling
.