צִפֹּרֶן tsippôren (H6856)

properly, a claw, i.e. (human) nail; also the point of astyle (or pen, tipped with adamant)

1) fingernail, stylus point 1a) finger-nail 1b) point (of a diamond)

from צָפַר (H6852) (in the denominative sense (from צִפּוֹר (H6833)) of scratching);