The story of 睪

spy

睪 is composed of the variant of 目(an eye) and the variant of 矢(an arrow), depicts an arrow pointing at the eye, represents the sight is sharp as shooting arrow, also has the meaning of target and choice, but such meaning has been replaced by 擇, now we seldom use 睪. 睪 is always misused as 睾, in fact, they have different origin and meaning.