Scots ken

← Old English cennan (inherited)

← Old English cunnan (mention)

← Proto-Germanic *kannijaną (inherited)

← Proto-West Germanic *kannijan (inherited)

← Proto-Indo-European *ǵneh₃- (root)

→ Cimbrian khennen (cognate)

→ Cimbrian khénnan (cognate)

→ Mòcheno kennen (cognate)

→ Scots kenna (suffix)