southern
‘originating from south’
Lexical development traced from the Tamil root:
E. soothern, soeurne, southerne, sowtherne, soþern, souþerne, sowþirne, souþþerne, sutherne < M.E. southerne < O.E. suðerne < suð ‘south’ < suþ ‘southward, to the south, southern, in the south’ < Proto-G. sunthaz ‘sun-side,’ related to sunnon ‘sun’ + -erne < suh < sawel- <Tamil el