12345Keywordancient unit of measureancient unit of measure (about 8 feet)a fathomFrequency#6462Strokes5ReadingsrènMnemonic刃 gives the sound.Stroke orderComposed of亻man刃edge of bladeUsed in vocabulary仞rènunit of length used in ancient times, equal to 7 or 8 Chinese feet 尺 (chǐ)壁立千仞bìlìqiānrèn(idiom) (of a cliff, mountain etc) steep; lofty; imposing