English

immensurate

From im- + mensurate.

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

Proto-Indo-European *meh₁- ‘to measure’

…

Latin mētior ‘to measure or estimate’

Latin mēnsūra ‘measure’

Latin mēnsūrō ‘measure’

Latin mēnsūrātus ‘measured, having been measured’

Today it means

adj Beyond measure; unlimited.

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

Etymograph / immensurate