Goombah is the Americanized spelling of cumpa, a Southern Italian dialectic version of the Italian word compare (masculine `friend`). In many Southern Italian dialects (see Neapolitan language and Sicilian language) `c`s are pronounced like `g`s and `p`s are pronounced like `b`s. The feminine form commare therefore sounded like `goommod... Found on http://en.wikipedia.org/wiki/Goombah