Where does “osa” come from?

osa (Tagalog) comes from Spanish osa, from Old Spanish ossa, from Latin ursa, from Latin ursus, from Ancient Greek Ἄρκτος, from Proto-Indo-European h₂ŕ̥tḱos, from Proto-Indo-European h₂r̥tḱós — destroying.

osa (Tagalog): she-bear