Late Greek trichotomein to trisect, from Greek tricha in three (akin to treis three) + -tomein (akin to temnein to cut) — more at three, tome
1800, in the meaning defined above
“Trichotomous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trichotomous. Accessed 7 Dec. 2022.
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