1760, in the meaning defined above
Late Latin hypoaeolius hypoaeolian (from—assumed—Greek hypoaiolios, from Greek hypo- + aiolios Aeolian, from Aiolis Aeolis, ancient country in Asia Minor) + English -an
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“Hypoaeolian mode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Hypoaeolian%20mode. Accessed 7 Oct. 2022.
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