22Byκατὰso muchτοσοῦτοof a betterκρείττονοςcovenantδιαθήκηςhas becomeγέγονεν[the] guaranteeἔγγυοςJesusἸησοῦς.
By so much also, Jesus has become the guarantee of a better covenant.
ἔγγυος
a surety, security.