It derives from the Latin word testiculus, the diminutive of testis (one who witnesses), and means little witness (in this case, of virility or manliness). The words testify and testimony come from...
The testicle (from Latin testiculus, diminutive of testis, meaning "witness" [of virility], plural testes) is the male generative gland in animals.
Testes are components of both the reproductive...