To death Compare Rom 4:25, where the same verb was delivered is followed by was raised. See also Rom 8:32; Gal 2:20.
Offering - sacrifice (προσφορὰν - θυσίαν)
Offering, general, including the life as well as the death of Christ: sacrifice, special: on the cross. Properly, a slain offering.
A sweet smelling savor (ὀσμὴν εὐωδίας)
Rev., correctly, odor of a sweet smell. See on 2Co 2:14, 2Co 2:15, 2Co 2:16. The Septuagint, in Lev 1:9, uses this phrase to render the Hebrew, a savor of quietness. For (εἰς) expresses design, that it might become, or result: so that it became.