borrowed from New Latin axilla, going back to Latin, diminutive of āla "armpit, upper arm, wing, axil" — more at axilla
circa 1761, in the meaning defined above
“Axil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/axil. Accessed 7 Dec. 2023.
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