pentaspastn.

Brit.

/ˈpɛntəspast/, U.S.

/ˈpɛn(t)əˌspæst/

Origin: A borrowing from Latin. Etymon: Latin pentaspaston.

Etymology: < classical Latin pentaspaston < ancient Greek πεντα- penta- comb. form + -σπαστος ( < σπᾶν to draw, pull (see spasm n.) + -τος, suffix forming verbal adjectives). Compare French pentaspaste (1691; 1547 in Middle French as pentaspaston, in a translation of Vitruvius).

rare.

A pulley having five wheels.

ΘΚΠ

society > occupation and work > equipment > lifting or hoisting equipment > [noun] > tackle > pulley > types of

ram-head1611

pentaspast1702

differential pulley1833

jackanapes1844

well pulley1855

brake-pulley1873

1702 J. Raphson Math. Dict. Pentaspast, an Engine consisting of five Pullies, viz. three above and two below.

1960 M. H. Morgan tr. Vitruvius Ten Bks. Archit. X. ii. 285 When there are two sheaves turning in the block beneath and three in the upper, the machine is termed a pentaspast.

1992 A. Kurzweil Case of Curiosities xxvii. 175 In the end, Claude attached a pentaspast, an engine with five pulleys, that allowed all the furniture to be raised and lowered effortlessly.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pentaspast
释义	pentaspastn. Brit. /ˈpɛntəspast/, U.S. /ˈpɛn(t)əˌspæst/ Origin: A borrowing from Latin. Etymon: Latin pentaspaston. Etymology: < classical Latin pentaspaston < ancient Greek πεντα- penta- comb. form + -σπαστος ( < σπᾶν to draw, pull (see spasm n.) + -τος, suffix forming verbal adjectives). Compare French pentaspaste (1691; 1547 in Middle French as pentaspaston, in a translation of Vitruvius). rare. A pulley having five wheels. ΘΚΠ society > occupation and work > equipment > lifting or hoisting equipment > [noun] > tackle > pulley > types of ram-head1611 pentaspast1702 differential pulley1833 jackanapes1844 well pulley1855 brake-pulley1873 1702 J. Raphson Math. Dict. Pentaspast, an Engine consisting of five Pullies, viz. three above and two below. 1960 M. H. Morgan tr. Vitruvius Ten Bks. Archit. X. ii. 285 When there are two sheaves turning in the block beneath and three in the upper, the machine is termed a pentaspast. 1992 A. Kurzweil Case of Curiosities xxvii. 175 In the end, Claude attached a pentaspast, an engine with five pulleys, that allowed all the furniture to be raised and lowered effortlessly. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1702
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