Overlap
来自Big Physics
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wiktionary
over- + lap
etymonline
overlap (v.)
"to lap or fold over, to partially extend over, extend so as to rest or lie upon," 1726; see over- + lap (v.2). Verbal phrase lap over "extend beyond" is recorded from 1630s. Related: Overlapped; overlapping.
overlap (n.)
"the lapping of one thing over another; thing or part which overlaps," 1813, from overlap (v.).
