From Middle English
feyen,
feien, from Old English
fēġan (“to join, unite”), from
Proto-Germanic *fōgijaną (“to join”), from
Proto-Germanic *fōgō (“joint, slot”), from
Proto-Indo-European *paḱ- (“to fasten, place”). Akin to Old Frisian
fōgia (“to join”), Old Saxon
fōgian (“to join”), Middle Low German
fögen (“to join, add”),
Dutch voegen (“to add, place”), Old High German
fuogen (“to connect”) (German
fügen (“to connect”)), Old English
fōn (“to catch”). More at
fang.