en_tn_condensed/2ch/16/14.md

which he had dug out for himself

Asa would have had his workers prepare his tomb for him. Alternate translation: "which his workers had dug out for him" (See: rc://en/ta/man/translate/figs-metonymy)

bier

A bier is a table on which a dead body is placed at a funeral.

sweet odors and various kinds of spices prepared by skilled perfumers

Putting plants that smell good with the dead body was one of the burial customs of the people of Israel. Alternate translation: "sweet smelling plants prepared by people skilled in this custom" (See: rc://en/ta/man/translate/figs-explicit)

prepared by skilled perfumers

This can be stated in active form. Alternate translation: "that skilled perfumers had prepared" (See: rc://en/ta/man/translate/figs-activepassive)