Thar, v. impersonal, pres. [OE. thar, þarf, AS. þearf, infin. þurfan to need; akin to OHG. durfan, G. dürfen to be allowed, Icel. þurfa to need, Goth. þaúrban.] It needs; need. Piers Plowman.
What thar thee reck or care? Chaucer.
Webster's Dictionary 1913
Thar, v. impersonal, pres. [OE. thar, þarf, AS. þearf, infin. þurfan to need; akin to OHG. durfan, G. dürfen to be allowed, Icel. þurfa to need, Goth. þaúrban.] It needs; need. Piers Plowman.
What thar thee reck or care? Chaucer.