shout (v.) Look up shout at Dictionary.com
c.1300, schowten "to call or cry out loudly," of unknown origin; perhaps from the root of shoot (v.) on the notion of "throw the voice out loudly," or related to Old Norse skuta "a taunt" (compare scout (v.2)). Related: Shouted; shouting.
shout (n.) Look up shout at Dictionary.com
late 14c., from shout (v.).