Labouring

To toil, to work.

To belabour, to emphasise or expand upon (a point in a debate, etc).

"I think we've all got the idea. There's no need to labour the point."

To be oppressed with difficulties or disease; to do one's work under conditions which make it especially hard or wearisome; to move slowly, as against opposition, or under a burden.

To suffer the pangs of childbirth.

The act of one who labours; toil; work done.