Overlap

来自Big Physics

wiktionary

ref

over- +‎  lap


etymonline

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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.).