Where does “labradorinkaulussopuli” come from?

labradorinkaulussopuli (Finnish) comes from Finnish Labrador, from English labrador, from Portuguese lavrador, from Old Portuguese lavrador, from Latin labōrātor, from French laboratoire, from Medieval Latin laboratorium, from Latin labotatorius — fox.

labradorinkaulussopuli (Finnish): Ungava collared lemming, Labrador collared lemming, Dicrostonyx hudsonius small North American lemming found in the tundra of northern Quebec and Labrador