"Ampersand wasn’t really just a letter, it’s a stylized version of the Latin “et” meaning “and”.
"Yogh — It's kind of 'gy' sound in Scots, with no real analogous sound in English. It was replaced by a z because that's the closest thing the printing presses had, so there are a lot of Z's in Scottish places and peoples' names that are still pronounced as if it were spelled with a yogh".
Написал quiproquoid на english.d3.ru / комментировать
Взято отсюда