selvage ‘edge of web or cloth’
Lexical development traced from the Tamil root:
E. silvadge, selvedge, self-edge < self + O.E. ecg ‘corner, edge, point’ < Proto-G agjo < uhj < ak < Tamil akku
Other meanings: an ornamental fringe; the edge plate of a lock; Geology: an alteration zone at the edge of a rock mass.