An Etymological Dictionary of Astronomy and Astrophysics

A strip of leather or cloth worn around the waist.
Something that resembles this type of band, e.g. → Gould’s Belt, → Belt of Venus.

Etymology (EN): O.E. belt, from P.Gmc. *baltjaz, from L. balteus “girdle;” → Orion.

Etymology (PE): Kamarband “belt,” from kamar “waist” (Mid.Pers. kamar “waist; belt, girdle,” Av. kamarâ- “belt”) + band “a band, tie, belt.”