Word Origin & History
intimate (v.)
1538, back-formation from intimation "action of making known" (1442), from M.Fr. intimation (1394), from L.L. intimationem (nom. intimatio) "an announcement" (in M.L. "a judicial notification"), from intimare. Intimacy is from 1641; as a euphemism for "illicit sexual intercourse" it dates from 1676.