G1336–διηνεκής–diēnekēs

without father, without mother, without genealogy, having neither beginning of days nor end of life, but made like unto the Son of God), abideth a priest continually.

διηνεκές. diēnekes “all time.”

For the law having a shadow of the good [supplied: things] to come, not the very image of the things, can never with the same sacrifices year by year, which they offer continually, make perfect them that draw nigh.

διηνεκὲς diēnekes “continuous”

but he, when he had offered one sacrifice for sins for ever, sat down on the right hand of God;

διηνεκὲς diēnekes “perpetuity”

For by one offering he hath perfected for ever them that are sanctified.

διηνεκὲς diēnekes “all time”