blanket is bulti

bulti = blanket (noun) (Some things Google found for "bulti": an uncommon term; a rare to unusual first name that can be Indian and feminine; a rare to unusual last name; bulti is an alternate form of bolty which is a fish of the Nile; Bulti Systems provides technology consulting services; Bulti Dula is the name of a place in Ethiopia)

Word derivation for "blanket" :
Basque = burusi, Finnish = viltti
Miresua = bulti

This is a new word. Other Finnish words that can mean blanket are huopa (felt) and peite (cover).

The word blanket doesn't occur in Alice's Adventures in Wonderland, but it occurs once in Through the Looking-Glass. This quote refers to brothers Tweedledee and Tweedledum.

So the two brothers went off hand-in-hand into the wood, and returned in a minute with their arms full of things -- such as bolsters, blankets, hearth-rugs, table-cloths, dish-covers and coal-scuttles.