עֵין שֶׁמֶשׁʻÊyn Shemesh

Same root

• עַיִןʻayin · H5869an eye (literally or figuratively); by analogy, a fountain (as the eye of the landscape)
• שֶׁמֶשׁshemesh · H8121the sun; by implication, the east; figuratively, a ray, i.e. (architectural) a notched battlement

Where it appears

Appears 4 times in the Bible.

• Joshua 15:7 From that point it went through the valley of Achor to Debir, turning north toward Gilgal, which is across from the slopes of Adummim on the south side of the valley. From there the boundary extended to the springs at En-shemesh and on to En-rogel.
• Joshua 18:17 From En-rogel the boundary proceeded in a northerly direction and came to En-shemesh and on to Geliloth (which is across from the slopes of Adummim). Then it went down to the Stone of Bohan. (Bohan was Reuben’s son.)