監
カン, けん

oversee, official, govt office, rule, administer

JLPT1 G7 S15 F408

The relevant seal inscription form is 臥 lie face down + an element# combining 皿 dish/plate/bowl and a line above it indicating water → lie face down and observe the reflection of one's face in water contained in a bowl/container → *keep watch over*; *supervise*. Compare 督 and 臨.

[Full Kanji Etymology List]