"Ren" is short for this in the name of the Rens, a black basketball team of 1920s Harlem
[DOC] [TLE] Harlem Ren's win World Championship | African American Registry [PAR] ... the "Harlem Rens" became the first all Black pro basketball team to win a World 
... the 1920s and 1930s, added grace and style to the game of American 
basketball.