Strong's Greek #276
ἀμετάθετον

ἀμετάθετον ametatheton — 1 Occurrence

Hebrews 6:17 - Adj-ANS
GRK: ἐπαγγελίας τὸ ἀμετάθετον τῆς βουλῆς
NAS: of the promise the unchangeableness of His purpose,
KJV: of promise the immutability of his
INT: promise the unchangeableness of the counsel