noun. The earning of a livelihood.

Serving to earn a livelihood: as, breadwinning pursuits or labors.

noun. The earning of a household's primary income.

"Given the ease of importing twenty or more unskilled apprentices from the House of Refuge or a similar institution, it is not surprising that Burt doubted the ability of journeymen weavers to obtain breadwinning wages without regulating the labor pool."

breadwinner  

advantageous  banausic  businesslike  commercial  fat