What does Spartānus mean in Latin?

Spartānus, a adjective, means “Spartan, of or pertaining to the Spartan people”.

adjectivefirst/second-declension adjective

Spartānus¹

Spartānus (feminine Spartāna, neuter Spartānum)

singular
form	masculine	feminine	neuter
nominative	Spartānus	Spartāna	Spartānum
genitive	Spartānī	Spartānae	Spartānī
dative	Spartānō	Spartānae	Spartānō
accusative	Spartānum	Spartānam	Spartānum
ablative	Spartānō	Spartānā	Spartānō
vocative	Spartāne	Spartāna	Spartānum

plural
form	masculine	feminine	neuter
nominative	Spartānī	Spartānae	Spartāna
genitive	Spartānōrum	Spartānārum	Spartānōrum
dative	Spartānīs	Spartānīs	Spartānīs
accusative	Spartānōs	Spartānās	Spartāna
ablative	Spartānīs	Spartānīs	Spartānīs
vocative	Spartānī	Spartānae	Spartāna

Spartānus, a, um, v. Sparta, A.

Proto-Indo-European *-nós Proto-Italic *-nos Proto-Italic *-ānos Latin -ānus Latin Spartānus From Sparta (“Sparta”) + -ānus.

noun · masculinesecond declension

Spartānus²

Spartānus m sg (genitive Spartānī, feminine Spartāna)

Proto-Indo-European *-nós Proto-Italic *-nos Proto-Italic *-ānos Latin -ānus Latin Spartānus From Sparta (“Sparta”) + -ānus.