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!

Qenya 

kaimasse

noun. lying in bed, sickness, sickness, (lit.) lying in bed

A noun in The Etymologies of the 1930s apparently referring to “sickness” from the original sense of “lying in bed”, an abstract or locative form of ᴹQ. kaima “bed” (Ety/KAY).

kaimassea

adjective. bedridden, sick, bedridden, sick, [ᴱQ.] confined to bed, a-bed

A word in The Etymologies of the 1930s apparently meaning “bedridden, sick”, an adjective form of ᴹQ. kaimasse “lying in bed, sickness” (Ety/KAY).