A·ves·tan 
(ə-vĕstən)
(ə-vĕstən)n.
The eastern dialect of Old Iranian, in which the Avesta is written.
adj.
1. Of or relating to Avestan.
2. Or or relating to the Avesta.
- horse balm
- horse bean
- horse chestnut
- horsefeathers
- horseflesh
- horsefly
- horse fly
- horse gentian
- horsehair
- horsehair worm
- horsehide
- horse latitudes
- horselaugh
- horseleech
- horseless carriage
- horse mackerel
- horseman
- horsemanship
- horse marine
- horsemint
- horsenettle
- horse nettle
- horse opera
- horseplay
- horseplayer