tap / space
Classic usage
Reading level: hard
Estimated CEFR level: B1 — Intermediate
Estimated from word frequency; not an official CEFR classification.
From Middle English bobben (“to strike, beat, shake, jog”), of uncertain origin. Compare Scots bob (“to mark, dance with a bobbing motion”), Icelandic boppa (“to wave up and down”), Swedish bobba (“to bob”), Dutch dobberen ("bobbing").
British shilling, shilling
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tap / space
Classic usage
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