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1810, in the meaning defined at transitive sense
alluvium + -ate
Time Traveler for alluviate
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From the Editors at Merriam-Webster
A Glossary of River Words
To meander your way through
Cite this Entry
“Alluviate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alluviate. Accessed 7 Dec. 2021.
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