tide
noun
[ tʌɪd ]
• the alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon and sun.
• "the changing patterns of the tides"
tide
verb
• drift with or as if with the tide.
Origin:
Old English tīd ‘time, period, era’, of Germanic origin; related to Dutch tijd and German Zeit, also to time. The sense relating to the sea dates from late Middle English.
-tide
combining form
• denoting a specified time or season.
• "springtide"