acrotarsium

noun

ac·​ro·​tar·​si·​um

ˌa-krō-ˈtär-sē-əm

plural acrotarsia

ˌa-krō-ˈtär-sē-ə

: the instep of the foot

Word History

Etymology

New Latin, from acr- + tarsus + -ium

First Known Use

circa 1889, in the meaning defined above

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