Scots thrashel

← Old English þresċold (inherited)

← English threshold (cognate)

← Middle English threschwolde (inherited)

← Proto-Germanic *þreskwaþluz (inherited)

← Proto-Germanic *þreskaną (derived)

← Proto-Indo-European *terh₁- (derived)

← Norwegian terskel (cognate)

← Swedish tröskel (cognate)