to stop, toe (radical)

止 zhǐ to stop; to prohibit; until; only 防止 fáng zhǐ to prevent; to guard against; to take precautions 停止 tíng zhǐ to stop; to halt; to cease 为止 wéi zhǐ until 阻止 zǔ zhǐ to prevent; to block 制止 zhì zhǐ to curb; to put a stop to; to stop; to check; to limit 不止 bù zhǐ incessantly; without end; more than; not limited to stopping point; deadline (http://www.xiaoma.info/) by Kameier