English
expensiveness
From expensive + -ness.
A compound of expensive + -ness
Proto-Indo-European *(s)pend- ‘to stretch’
…
Proto-Italic *pendō ‘to hang’
Latin pendō ‘weigh’
Latin expendō ‘to weigh out’
Latin *expēnsīvus
English expensive
Today it means
noun The state of being expensive; the entailing of great expense.
Language periods are conventional ranges, not dates for this word.
Etymograph / expensiveness