Medieval Latin invaginatus, past participle of invaginare, from Latin in- + vagina sheath
circa 1656, in the meaning defined at transitive sense 1
invade someone's space
“Invaginate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invaginate. Accessed 7 Dec. 2022.
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