en_tn_condensed/heb/09/26.md

If that had been the case

"If he had had to offer himself often"

since the foundation of the world

The author speaks of the world as if it were a building set on a foundation. Alternate translation: "since the creation of the world" or "since God created the world" (See: rc://en/ta/man/translate/figs-metaphor)

to do away with sin by the sacrifice of himself

Doing away with sin represents having God forgive it. Alternate translation: "to cause God to forgive sins by sacrificing himself" or "to sacrifice himself so that God can forgive sin" (See: rc://en/ta/man/translate/figs-metaphor)