Where does “tidepool” come from?

tidepool (English) comes from English tide, from Middle English tyde, from Old English tīd, from Proto-Germanic tīdiz, from Proto-Indo-European déh₂itis, from Proto-Indo-European deh₂y-, from Proto-Indo-European deh₂- — to share, divide.

tidepool (English): a rocky pool by the ocean that is filled with...

Definitions

  1. a rocky pool by the ocean that is filled with...

Ancestry of “tidepool”, step by step

tidepool traces back through two separate lines of ancestry.

via English tide

StepLanguageWordMeaning
1EnglishtideThe periodic change of the sea level,...
2Middle EnglishtydeA time (period), season
3Old Englishtīdtime, period, season; period, season, time;...
4Proto-Germanictīdiztime; period, interval
5Proto-Indo-Europeandéh₂itisinterval, period of time
6Proto-Indo-Europeandeh₂y-to share, divide
7Proto-Indo-Europeandeh₂-to share, divide

via English Pool

StepLanguageWordMeaning
1EnglishPoolOS grid ref SW6641
2Middle Englishpool
3Old Englishpōlpool
4Proto-West Germanic*pōl
5Proto-Germanicpōlazpool
6Proto-Indo-Europeanbale-bog, marsh
7Yorubailéhome; house
Every word from Proto-Indo-European deh₂-Every word from Proto-Indo-European deh₂y-Every word from Proto-Indo-European déh₂itis