^ 1939, D. A. Paton, On the origin of aller, in Studies in French Language and Mediaeval Literature, page 301: The opinion that ambulare is the origin of aller has been and is held by so many eminent etymologists that it is with some diffidence I venture to suggest another source.
Thermal, California. For the former community in Fresno County, see Thermal, Fresno County, California. Thermal is an unincorporated community within the Coachella Valley in Riverside County, California located approximately 25 miles (40 km) southeast of Palm Springs and about 9.5 miles (15.3 km) north of the Salton Sea. The community's elevation is 138 feet (42 m) below mean sea level.
Thermal Airport is located about 1.6 miles southwest of the community. The Union Pacific Railroad owns and operates the former Southern Pacific Railroad mainline through Thermal. The region is served by a two-lane Expressway.