Okays, I'm backers (finally)
Defintion of Pith:
\ˈpith\
Function:
noun
Etymology:
Middle English, from Old English pitha; akin to Middle Dutch & Middle Low German pit pith, pit
Date:
before 12th century
1 a: a usually continuous central strand of spongy tissue in the stems of most vascular plants that probably functions chiefly in storage b: any of various loose spongy plant tissues that resemble true pith c: the soft or spongy interior of a part of the body2 a: the essential part : core b: substantial quality (as of meaning)3: importance