ˈgersəm noun
( -s )
Etymology: Middle English, jewel, costly gift, gersum, from Old English gærsum, gærsuma jewel, costly gift, treasure, from Old Norse gersemi, görsemi, from görr ready, equipped + -semi (from -samr -some) — more at yare
: a fine paid by a vassal in feudal England to his superior usually on taking a holding