An Etymological Dictionary of Astronomy and Astrophysics

The component of a radar system that returns the signals used to detect and locate objects.

Etymology (EN): Agent noun of respond, → response.

Etymology (PE): Pâsoxgu, from pâsox, → response,

• gu agent noun and present stem of goftan “to say, speak, relate, tell; to compose a poem,” from Mid.Pers. guftan “to say, tell, utter;” O.Pers. gaub- “to say.”