Kanji:

Meaning: Law, Rule, Door Post

Kanji Meanings On Readings Kun Readings Stokes Composition
Jumpy, Jittery, Worried ゲツ, ゲチ あや.うい 16
ゲイ ねごと, おどろ.く 17
The Doorsill ゲツ, ゲチ, ケイ, キ しきみ 18