tap / space
Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Latin recīprocātus, perfect passive participle of recīprocō (“to move back and forth”) (see -ate (verb-forming suffix)), from reciprocus (“back an forth, reciprocal, alternating”) + -ō (first conjugation verb-forming suffix), itself possibly from a phrase such as reque proque (“back and forth”), from re- (“back”), prō (“forwards”) and -que (“and”). See also reciprocal. Compare French réciproquer.
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tap / space
Classic usage
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