tap / space
Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
The verb is from side + -le (frequentative suffix), possibly a back-formation from sideling (“in a sidelong direction; askew, obliquely”, adverb), treating that word as the present participle of sidle. The noun is derived from the verb.
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tap / space
Classic usage
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