シュウ, シュ, おお.い
masses, great numbers, multitude, populace
JLPT1 G6 S12 F450
眾 combines a variant form of 乑# (run together) + 罒 net → people running together, the formation likened to a net (compare the similar function of 罒 in 署) → *crowd*; *multitude* → *populace*. A bronzeware inscription form substitutes 目 for 日. Later, 血 came to replace 目, creating the form 衆.
[Full Kanji Etymology List]