ETYMOLOGY
from womb (the abdomen or abdominal cavity of a person or animal; the belly, obs.) + joy
EXAMPLE
“… for bischopis, munkis & chanons sillen þe perfeccion of cristis pouert & his apostlis, & also trewe prechynge for a litil stynkyng muk or drit, & worldli lordschipe, & wombe ioie and idelnesse …”
From: The English Works of Wyclif hitherto unprinted
By John Wyclif, c1430
Edited by Frederic David Matthew, 1880
Lexicophilia 