algorism

Etymology

From Middle English algorisme, from Old French algorisme, from Medieval Latin algorismus. See algorithm.

noun

1. Obsolete spelling of algorithm (all senses)
   The Algorism in Addition of Fractions. — There are two accepted forms of work in addition of fractions... 1921, Paul Klapper, The Teaching of Arithmetic: A Manual for Teachers, D. Appleton and Company, page 231
   The works of al-Khowarizmi were translated into Latin, and through a perversion of his name the art of computing with Hindu-Arabic numerals became known as algorism. 1948, Øystein Ore, Number Theory and Its History, page 20