Primitive elvish
kainu-
verb. to lie down
Quenya
cainu-
verb. to lie down, *bend down; [+ locative] to endure, suffer (from)
Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!
Early Primitive Elvish
kaı̯-
verb. to lie down