don kirkman

Actually according to Webster "testis" came first (in naming order) and
the "little witnesses" (testicles) took their Latin name from that. The
other way makes no sense; what were testicles called before there was a
word "testis" - witness? Cf. testament and other "witness" words.

"Testis" gives us all that you mention, including testes and testicles.
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Don
donkirk@covad.net