שִׂיב‎ (sîyb|seeb|verb|be hoary)
[Heb] שִׂיב‎ ETCBC: שׂיב‎ (verb|be old) OSHL: u.az.aa TWOT: 2253 GK: H8482
Derivation: a primitive root;
Strong's: properly, to become aged, i.e. (by implication) to grow gray
KJV: (be) grayheaded.