Proto-IE: *gʷeyǝ-, *gʷyā-
Meaning: power; to overpower
Old Indian: jinā́ti, fut. jyāsyāti, pass. jī́yáte, ptc. jītá- `to overpower, oppress'; jyā́ f. `oppression, excessive demand'; jáyati, pf. jigāya, ptc. jitá- `to win, conquer, defeat'; jayá- `winning', m. `conquest, victory', jayiṣnu- `victorious', jétar- `victorious, m. conqueror'
Old Greek: bíǟ f. `Kraft, Gewält', biáō, biáomai̯ `Gewalt anwenden, bewältigen, erzwingen' || zdǟ̂lo-s `Eifer, Nacheiferung, Eifersucht, Neid, Begeisterung', zdǟtró-s `executioner' Hsch., zdǟmíǟ f. `Busse, Einbusse, Strafe, Verlust'
Russ. meaning: сила; осилить