Where does “spousage” come from?
spousage (English) comes from Old French espousaige, from Old French espouser, from Latin spōnsō, from Latin spōnsus, from Latin spondeō, from Proto-Italic spondeō, from Proto-Indo-European spondéyeti, from Proto-Indo-European spend- — to libate.
spousage (English): espousal
Ancestry of “spousage”, step by step