Where did the eefis pitch get its name?

Question

Where did the eefis pitch get its name?

Answer 1

The eephus pitch got its name from the latin language

Answer 2

Here ya go.  Sounds to me like it was the inspiration for what they used to say 'Seinfeld' was all about.

Answer 3

It's a nonsense word.

"...manager Frankie Frisch asked Sewell what he called the pitch, and Pirates outfielder Maurice Van Robays replied "that's an eephus pitch." When Sewell asked him what an eephus was, Van Robays said, "Eephus ain't nuthin'." From then on, Sewell called it the eephus pitch."