Etymology tree
Proto-Indo-European *sew-?
Proto-Indo-European *sewH-?
Proto-Indo-European *suH-
Proto-Hellenic *hūs
Ancient Greek ὗς (hûs)
Ancient Greek -αινα (-aina)
Ancient Greek ὕαινα (húaina)bor.
Latin hyaena
Borrowed from Ancient Greek ὕαινα (húaina).