What does formosānus mean in Latin?

formosānus, a adjective, means “Formosan”.

How do you pronounce formosānus?

In classical Latin, [fɔr.mɔˈsaː.nʊs]; in ecclesiastical (church) Latin, [for.moˈs̬aː.nus].

adjectivefirst/second-declension adjective

formosānus (feminine formosāna, neuter formosānum)

Classical[fɔr.mɔˈsaː.nʊs]Ecclesiastical[for.moˈs̬aː.nus]

singular
form	masculine	feminine	neuter
nominative	formosānus	formosāna	formosānum
genitive	formosānī	formosānae	formosānī
dative	formosānō	formosānae	formosānō
accusative	formosānum	formosānam	formosānum
ablative	formosānō	formosānā	formosānō
vocative	formosāne	formosāna	formosānum

plural
form	masculine	feminine	neuter
nominative	formosānī	formosānae	formosāna
genitive	formosānōrum	formosānārum	formosānōrum
dative	formosānīs	formosānīs	formosānīs
accusative	formosānōs	formosānās	formosāna
ablative	formosānīs	formosānīs	formosānīs
vocative	formosānī	formosānae	formosāna

Proto-Indo-European *-nós Proto-Italic *-nos Proto-Italic *-ānos Latin -ānus Latin formosānus From Formosa + -ānus.