Southern vs Sahidic - What's the difference?

As an adjective southern

is (not in us) from or pertaining to the southern part of any region.

a coptic dialect spoken in southern egypt.

(en adjective)

Of, facing, situated in, or related to the south.

Of or pertaining to a southern region, especially Southern Europe or the southern United States.

* {{quote-magazine, date=2013-06-08, volume=407, issue=8839, page=52, magazine=(The Economist)

, title= The new masters and commanders , passage=From the ground, Colombo’s port does not look like much.

Of a wind: blowing from the south; southerly.

* austral * meridional

* northern * boreal * septentrional

(-)

A Coptic dialect spoken in southern Egypt.

* Thebaic