something wherewith to furnish the belly; food ...1653 sl.
from furniture (that with which something is stocked or filled; contents)
FIRST DOCUMENTED USE
1653 - see EXAMPLE below
"...for that having a great desire to obey the pleasure of the King, I armed my self from toe to top with belly furniture, of the soles of good venison-pasties, to go see how my grape-gatherers and vintagers had pinked and cut full of small holes their high coped-caps, to lecher it the better, and play at in and in..."
From: The Works of Mr. Francis Rabelais
Printed for The Navarre Society, Volume I, 1653
The Second Book of Dr. Francis Rabelais