What is the meaning of -ona?

forms diminutives or hypocoristic terms

marks fractions

forms the lative case

definite plural form of -on

female equivalent of -one

Used to form names or epithets of female deities

feminine nominative/vocative singular of -ony

feminine of -ão

female equivalent of -ão

-one

female equivalent of -ón

-one

Source: wiktionary.org