Nobody seems to know for sure. A couple of explanations are:
1) The word 'fungible' means 'something that is exchangable'. The bat used to hit practice ground/fly balls is lighter and thinner than a regular bat and fungo may have originated with the bat as it replaces a regular bat when hitting ground/fly balls for practice.
2) There was a child's game called fungo where a batter would hit fly balls and after one of the 'outfielders' caught a pre-determined amount, the outfielder and batter would switch places.
Click on the 'Origins of Fungo' link below to read about the theories behind the term.
A fungo is a fielding practice drill in baseball in which a person deliberately hits fly balls in order to be caught.
fungo circles
Fungo
Flatbush - 1979 The Littlest Fungo 1-4 was released on: USA: 1979
That would be a fungo bat.
Fungo bats are taped on the big end because they hit more balls than a regular bat and this protects the wood and allow it to last longer. Tape also allows the fungo hitter more traction off the bat so more fly balls or ground balls can be controlled better.
"But I function" is an English equivalent of the Italian phrase Ma fungo. The conjunction and first person singular present indicative also translate into English as "But I serve (stand in, work)." The pronunciation will be "ma FOON-go" in Italian.
Trofeo Fungo is an Italian equivalent of the English phrase "Mushroom Cup." The masculine singular phrase most famously references the Super Mario Brothers video games where the easy circuit revolves around a trophy whose symbol is a super mushroom (super fungo). The pronunciation will be "tro-FEY-o FOON-go" in Pisan Italian.
"An Italian mushroom" in English is un fungo italiano in Italian.
The cast of ZedCrew - 2010 includes: Alvin Fungo as Hong
Funghi is an Italian equivalent of the English word "mushrooms." The masculine plural noun also translates as "fungi" in English. The pronunciation will be "FOON-ghee" in Pisan Italian.
to describe the sun bleached boards that were the seats there in the 1880s