borrowed from New Latin extemporārius, from Latin ex tempore "on the spur of the moment, extempore" + -ārius -ary entry 2
1596, in the meaning defined above
extemporaneous
extemporary
extempore
“Extemporary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extemporary. Accessed 26 Nov. 2024.
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