overlapyoudaoicibaDictgodict[overlap 词源字典]
overlap: see lap
[overlap etymology, overlap origin, 英语词源]
overlap (v.)youdaoicibaDictgodict
"to partially extend over," 1726, over- + lap (v.). Related: Overlapped; overlapping.
overlap (n.)youdaoicibaDictgodict
1813, from overlap (v.).