lăbōrĭfer, a, um, adj. [2. labor-fero],
labor-bearing, toil-enduring (poet.): Hercules, Ov. M. 9, 285: juvencus, id. ib. 15, 129: currus, Stat. Th. 6, 25.
labōrifer fera, ferum, adj.2 labor+1 FER-, labor-bearing, toil-enduring : iuvencus, O. ...
An Elementary Latin Dictionary