How to Say "undertow" in Spanish
The Spanish word for “undertow” is “resaca” — B2 level.
English → SpanishB2
nounB2
the water that pulls back into the sea after a wave hits the shore

Examples
La resaca del mar era tan fuerte que era peligroso nadar.
The sea's undertow was so strong that it was dangerous to swim.
The literal meaning
This is the original meaning of the word. It describes the water 'drawing back' (sacar) 'again' (re-).
Related Translations
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