tidewater (n.)youdaoicibaDictYouDict[tidewater 词源字典]
also tide-water, 1772, "water affected by the normal ebb and flow of the tide," from tide (n.) + water (n.1). In reference to the lowland regions of the Virginia shore of the western Chesapeake Bay, 1832.[tidewater etymology, tidewater origin, 英语词源]