probably from New Latin *extrorsus, from Late Latin, adverb, outward, from Latin extra- + -orsus (as in introrsus) — more at introrse
1858, in the meaning defined above
extro-
extrorse
extrospection
“Extrorse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extrorse. Accessed 31 Oct. 2024.
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