1610s, from Middle French parasol (1570s), from Italian parasole, literally "protection from the sun," from para- "defense against" (see para- (2)) + sole "sun," from Latin solem (nominative sol; see sol).
Parallel Systems Object Language. An object-oriented language which supports network and parallel computing. It has modules and exceptions. ["The Parasol Programming Language", R. Jervis email@example.com, Dr Dobbs J, Oct 1993, pp. 34-41]. (1995-01-26)