all those 'ff's'...

Knowing your love of learnt details, have you realised the significance (or should I say signifficance?) of the doubled letter, Miz mercurial double double-you? The single f in Welsh renders the voiced v sound: for example the name of my wife's family home was Tredefaid, pron.: Tree-DEV-eye'd. The doubling renders the unvoiced sofft eff :)