English duff

← English dough (mention)

← English plum-duff (link)

← English bum (link)

← English duffer (mention)

← English duffer (link)

← Proto-Indo-European *dʰeyǵʰ- (root)

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

→ English up the duff (mention)

→ English figgy duff (compound)

→ English duffo (suffix)