Word History

Etymology

imitative

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of dah was in 1940

Browse Nearby Words

Cite this Entry

“Dah.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dah. Accessed 12 Jun. 2026.

Medical Definition

DAH

abbreviation
disordered action of the heart
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