You Will Be Shocked to Know What ‘Avocados’ are Named After. By Mfame Team - July 24, 2015 9042 Share on Facebook Tweet on Twitter The origin of the word “avocado” traces back to the Aztec word for testicle, “ahuacatl.” This may be because the shape of the fruit as well as the fact that is typically growing in pairs. Source: Curiosity.