lovemaking (n.)youdaoicibaDictYouDict[lovemaking 词源字典]
"courtship," mid-15c., from love (n.) + make. Phrase make love is attested from 1570s in the sense "pay amorous attention to;" as a euphemism for "have sex," it is attested from c. 1950.[lovemaking etymology, lovemaking origin, 英语词源]
merrymaking (n.)youdaoicibaDictYouDict
also merry-making, 1714; see merry + make (v.). Related: Merry-maker (1827).
unmaking (n.)youdaoicibaDictYouDict
"ruin, destruction," 1590s, verbal noun from unmake (v.).