Crossword puzzle clue "work together toward a common end"

Work together toward a common end

Opus ___ (Catholic teaching also called "the Work, work work work work")

Toward the most common part of a boat to fish from

"I'm the beginning of eternity, the end of time and space, the beginning of the end, and the end of every place ..."

Why a student might cram toward the end of the term

Die off toward the end

Tapering toward each end

Toward the end