Translation of "mostru" into English

Tant baqgħu impressjonati li tawh l-isem taʼ mostru tal-biżaʼ fil-mitoloġija Griega li kien nofsu għasfur u nofsu mara—l-arpija.

They were so impressed that they named it after a frightful half-avian, half-woman monster of Greek mythology—the harpy.