NET

6 Therefore it remains for some to enter it, yet those to whom it was previously proclaimed did not enter because of disobedience.

Darby

6 Seeing therefore it remains that some enter into it, and those who first received the glad tidings did not enter in on account of not hearkening to the word^D9019,

Darby Bible Notes

word - Apeitheo. see Note, John 3.36. 'Who had not hearkened to the word' is, I apprehend, the true force here. It is taken from the LXX, Num. 14.43 and Deut. 1.26, which refer to the occasion on which God declared their carcases should fall in the wilderness.

KJV

6 Seeing therefore it remaineth that some must enter therein, and they to whom it was first preached^K7169entered not in because of unbelief:

KJV Bible Notes

it was first preached: Or, the Gospel was first preached.