1) Artifact in Norse mythology 
Eitr is a mythical substance in Norse mythology. This liquid substance is the origin of all living things: the first giant Ymir was conceived from eitr. The substance is supposed to be very poisonous and is also produced by Jörmungandr (the Midgard serpent) and other serpents. ==Etymology== The word eitr exists in most North Germanic languages (a...