Artificial intelligent assistant

undertide

I. undertide
    var. undern-tide Obs.
II. ˈundertide
    (under-1 5 b.)

1851 Mrs. Browning Casa Guidi Wind. i. 56 The arrowy undertide Shoots on and cleaves the marble as it goes. 1883 in Butler Bible Work I. 597 The undertide that bears all up and sweeps all along.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC a034cc03e6d886d786f41604fe1ff049