An Etymological Dictionary of Astronomy and Astrophysics

Having knowledge; conscious; informed; alert. → awareness.

Etymology (EN): M.E., variant of iwar, O.E. gewær; cf. O.S. giwar, M.Du. gheware, O.H.G. giwar, Ger. gewahr.

Etymology (PE): Âgâh “aware, knowing,” related to negâh “look, attention;” Mid.Pers. âkâh;
Av. ākas- “to look;” Proto-Iranian *kas- “to look, appear;” cf. Skt. kāś- “to become visible, appear;” Gk. tekmar, tekmor “sign, mark;”