| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ adjective
Etymology: bread and butter
1. now chiefly Britain : adolescent : marked by the weakness, naïveté, or forcelessness of a juvenile : schoolgirlish
2.
a. : associated or connected with earning a livelihood, making money, or other mundane practical purposes
a practical bread-and-butter education
too busy with the bread-and-butter side of life to attend many social functions — A.T.Weaver
b. : staple , sustaining : dependable as a source of income often through being in steady demand
concentrating on bread-and-butter products rather than fads
don't overlook a bread-and-butter item that could be boosting your dollar volume — Circle & Monogram
3. : sent or given by way of thanks for hospitality
a bread-and-butter letter to his hostess