grape is virymas

virymas = grape (noun) (some things Google found for "virymas": a very rare term; a webpage name; a similar word virimas means "cooking, boil" in Lithuanian)

Word derivation for "grape" :
Basque = mahats
Finnish = viinirypäle (viini = wine, rypäle = cluster)
Miresua = virymas

This is a nearly unique word. Unlike the Finnish word, the Miresua word is not a compound word. My Miresua word for wine is vari.