esamardi = emerald (noun) (gemstone) (some things Google found for "esamardi": a unique term; but if you split the word, "esa" means "that, or that one" in Spanish amd "mardi" means "Tuesday" in French; simarlarly named Zamárdi is a village in Hungary)
Word derivation for "emerald" :
Basque = esmeralda, Finnish = smaragdi
Miresua = esamardi
My previous Miresua word for "emerald" was "adirasme" which reversed most of the common letters. I decided to change this word to make it look more like the Basque and Finnish source words.