The Collaborative International Dictionary
Spousage
Spousage \Spous"age\ (spouz"[asl]j; 48), n. [OF. espousaige,
from espouser. See Spouse, v. t.]
Espousal. [Obs.]
--Bale.
Douglas Harper's Etymology Dictionary
spousage
"marriage, wedlock," mid-14c., from spouse (n.) + -age.
Wiktionary
spousage
n. (context obsolete English) espousal