カク, くるわ, ひろ
enclosure, quarters, fortification, red-light district
JLPT1 G7 S11 F1670
As per 享 (enclosure) + 邑 village/settlement → *enclosure* about a village/settlement → *quarters*; *red-light district*. The phonetic evidence suggests that the 享 element in 郭 has replaced a graphically similar element indicating a circular enclosure; compare 或.
[Full Kanji Etymology List]