ओजस् (Sanskrit) comes from Proto-Indo-Iranian Háwǰas, from Proto-Indo-Iranian Háwgʲes, from Proto-Indo-European h₂éwg-os ~ h₂éwg-es-os, from Proto-Indo-European h₂ewg-, from Proto-Indo-European h₂weg-, from Proto-Indo-European h₂ug-.
ओजस् (Sanskrit): ability, strength; vigour