English

thunderation

An Americanism from around 1830 to 1840, from thunder + -ation.

Formed from thunder + -ation

Proto-Indo-European *(s)ten-

Proto-Germanic *þunraz

Proto-West Germanic *þunr

Old English þunor

Middle English thunder

Today it means

intj An exclamation of surprise, agitation or petulance.

Language periods are conventional ranges, not dates for this word.

Etymograph / thunderation