A measurement , equal to the length from the tip of the fingers to the elbow. Four cubits make up an armspan (gzhu-'dom). In the measurements for constructing a mandala in tantra, four cubits equal one doorwidth (sgo-tshad), except in the Kalachakra system, in which six cubits equal one doorwidth. Also called "small unit" (cha-chung).

Tibetan: khru

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Deutsch: Cubit