vest, waistcoat (sleeveless garment that buttons down the front, worn over a shirt, and often as part of a suit) · vest (protective sleeveless garment worn over outer clothing) · ellipsis of rintaliivit (“bra”)
It's been considered to originate from Proto-Baltic word *glivěti (“cover with slime”) or Proto-Germanic word *slīwa (slime). Has same origin as Estonian liiv and Finnish liiva.