English
extensiveness
From extensive + -ness.
A compound of extensive + -ness
Proto-Indo-European *téndeti
…
Latin tendō ‘to stretch’
Latin extendō ‘to stretch or thrust out’
Latin extensus ‘stretched out’
Late Latin extensīvus ‘extensive’
English extensive
Today it means
noun The degree or property of being extensive.
Language periods are conventional ranges, not dates for this word.
Etymograph / extensiveness