Strong G2872 κοπιάω kopiaō · to labor

Luke

1. Luke 5:5
   And Simon answering said unto him, Master, we have toiled all the night, and have taken nothing: nevertheless at thy word I will let down the net.
2. Luke 12:27
   Consider the lilies how they grow: they toil not, they spin not; and yet I say unto you, that Solomon in all his glory was not arrayed like one of these.