-arch

I. noun combining form Etymology: Middle English -arche, from Anglo-French `; Late Latin `; Latin; Anglo-French -arche, from Late Latin -archa, from Latin -arches, -archus, from Greek -archēs, -archos, from archein ruler ; leader
Example: matriarch II. adjective combining form Etymology: probably from German, from Greek archē beginning having (such) a point or (so many) points of origin
Example: endarch

Merriam-Webster's Collegiate Dictionary