Ginventory, noun. The copious and diverse assortment of gins to be found in the homes of true gin aficionados. May also be used as a verb (see below).
"You must attend Ann's martini tasting on Friday. She's got the biggest ginventory I've ever seen." Or, "I really need to do a ginventory before the party on Friday to make sure I've got more than just Tanqueray and Gordon's."