Yazh (Ancient Indian Instrument)

Wikidata : 

The yazh (Tamil: யாழ், also transliterated yāḻ) (pronounced yarl where the l sound here is unique to Tamil language) is a Harp used in ancient Tamil music which was the ancestor of modern-day veena.
Structure :The yazh was an open-stringed polyphonous instrument, with gut strings (narambu) with a wooden boat-shaped skin-covered resonator and an ebony stem.

For more information visit this link:https://en.wikipedia.org/wiki/Yazh

Kinds of Yazh : 

• Periyazh - 21 strings
• Makarayazh - 19 strings
• Cakotayazh - 14 strings
• Cenkottiyazh - 7 strings.           

Disambiguation:
open-stringed polyphonous instrument; Ancient Veena

Description:
It is an Ancient Indian Instrument which is also know as ancestor of Veena.It had open strings and a wooden body. It was mainly used by the Tamils.

References :
http://www.rso.cornell.edu/spicmacay/spicmacay_files/home_files/instr.html
http://www.thehindu.com/arts/magazine/article974391.ece
http://www.hindu.com/ms/2007/12/26/stories/2007122650010100.htm