English
annualise
From annual + -ise.
A compound of annual + -ise
Latin annus ‘year’
Latin annuus ‘yearly’
Late Latin annuālis ‘yearly’
Middle English annuel
English annual
Today it means
verb To express (a quantity such as an interest rate, profit, expenditure etc.) as if it applied or were measured over one year.
Language periods are conventional ranges, not dates for this word.
Etymograph / annualise