English

groundation

From ground + -ation.

A compound of ground + -ation

Proto-Indo-European *gʰrem- ‘floor, settlement’

Proto-Germanic *grunduz ‘ground, foundation’

Proto-West Germanic *grundu

Old English grund

Middle English ground

Today it means

noun the state of (a teenager etc) being grounded

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

Etymograph / groundation