[qui.pu] n [Sp quipo, fr. Quechua khipu] (1704): a device made of a main cord with smaller varicolored cords attached and knotted and used by the ancient Peruvians (as for calculating)
QUIPU
Meaning of QUIPU in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012