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What links the word flood with words for flow, river and high tide? Let’s find out in this Adventure in Etymology.

Meanings of flood [flʌd] include:
- An overflow of a large amount of water (usually disastrous) from a lake or other body of water due to excessive rainfall or other input of water.
- A large number or quantity of anything appearing more rapidly than can easily be dealt with (e.g. a flood of complaints).
- The flowing in of the tide.
It comes from Middle English flod [floːd] (river, lake, ocean, flood), from Old English flōd / ᚠᛚᚩᛞᚢ [floːd] (flowing of the tide, river, stream, flood), from Proto-West Germanic *flōdu (river, flood), from Proto-Germanic *flōduz (river, flood), from PIE *plóh₃tus (overflow, deluge), from *pleh₃(w)- (to swim, to flow) [source].
Words from the same roots possibly include flow in English, flod [fluːd] (river, flood, high tide) in Swedish, vloeien [ˈvlui̯ə(n)] (to flow) in Dutch, плувам [ˈpɫuvɐm] (to swim, to float) in Bulgarian, and plauti [ˈpɫɐ̂ʊtʲɪ] (to wash, rinse) in Lithuanian [source].
In Old English, another word for river (and stream) was ēa [æɑː], which comes from Proto-West Germanic *ahu (river), from Proto-Germanic *ahwō (stream, river, water), from PIE *h₂ekʷeh₂ ([flowing] water) [source].
Words from the same roots include eddy and ewer in English, å [oː] (river, creek, big stream) in Swedish, ø [øˀ] (island) in Danish, á [auː] (river) in Icelandic, and agua [ˈa.ɣ̞wa] (water) in Spanish [source].
There was a lot of rain in the UK this week, and plenty of large puddles on the roads, but I didn’t see any major floods. I hope things were okay where you are.
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