网页: a dance step or combination of steps. PAS. 2 of 2. abbreviation. para-aminosalicylic acid. Word History. Etymology. Noun. French, from Latin passus step — more at pace. First Known Use. Noun. 1707, in the meaning defined at sense 1. Time Traveler. The first known use of pas was in 1707. See more words from the same year. Phrases Containing pas.