Latin, farthest Thule
1665, in the meaning defined above
ultimate tensile strength
ultima Thule
ultimation
“Ultima Thule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultima%20Thule. Accessed 7 Dec. 2024.
Britannica.com: Encyclopedia article about ultima Thule
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