perionychium
peri·onych·i·um
noun \ˌper-ē-ō-ˈni-kē-əm\ plural peri·onych·ia\-kē-ə\
Definition of PERIONYCHIUM
: the tissue bordering the root and sides of a fingernail or toenail
Origin of PERIONYCHIUM
New Latin, from peri- + Greek onych-, onyx nail — more at nail
First Known Use: circa 1879
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