C. F. Keil and Franz Delitzsch on Numbers 28:7-8

Num 28:7-8

“In the sanctuary,” i.e., περὶ τὸν βωμόν (round about the altar), as Josephus paraphrases it (Ant. iii. 10); not “with (in) holy vessels,” as Jonathan and others interpret it. “Pour out a drink-offering, as שׁכר for Jehovah.” Shecar does not mean intoxicating drink here (see at Lev 10:9), but strong drink, in distinction from water as simple drink. The drink-offering consisted of wine only (see at Num 15:5.); and hence Onkelos paraphrases it, “of old wine.”