峨眉

Etymology
峨眉 derives from the word, so named because the peaks of do in fact resemble the feelers of a moth (see pictures). The "insect"  on the left side of the first character  was later replaced with the "mountain" radical. Thus, eventually became, so as to denote the mountain. Occasionally, the radical is placed on top:. The "mountain" can be optionally added to the second character. Both 峨嵋 and 峨眉 have been used through the centuries.