It's the King James spelling, going old school here:
TRAFFICK - Definition from the KJV Dictionary
KJV Dictionary Definition: traffick traffick. TRAF'FICK, n. L. trans. 1. Trade; commerce,either by barter or by buying and selling. This word, like trade, comprehends every species of dealing in the exchange or passing of goods or merchandise from hand to hand for an equivalent,unless the business of retailing may be excepted.
It's the King James spelling, going old school here:
TRAFFICK - Definition from the KJV Dictionary KJV Dictionary Definition: traffick traffick. TRAF'FICK, n. L. trans. 1. Trade; commerce,either by barter or by buying and selling. This word, like trade, comprehends every species of dealing in the exchange or passing of goods or merchandise from hand to hand for an equivalent,unless the business of retailing may be excepted.
Thanks. I can't recall ever seeing it spelled that way before in it's root form. Guess you're never too old to learn new things.