atarko = eagle (bird) (noun) (Some things Google found for "atarko": an uncommon to rare term; user names; possibly an unusual last name; similar word Atarco is the name of a town in Peru)
Word derivation for "eagle" :
Basque = arrano, Finnish = kotka
Miresua = atarko
Eagles are a large bird of prey with a powerful hooked bill and strong soaring flight.
I noticed that the Finnish word for eagle (kotka) is similar to my Miresua word for seagull (koika).