What does Archimēdēus mean in Latin?

Archimēdēus, a adjective, means “of or pertaining to Archimedes”.

How do you pronounce Archimēdēus?

In classical Latin, [ar.kʰɪ.meːˈdeː.ʊs]; in ecclesiastical (church) Latin, [ar.ki.meˈdɛː.us].

adjectivefirst/second-declension adjective

Archimēdēus (feminine Archimēdēa, neuter Archimēdēum)

Classical[ar.kʰɪ.meːˈdeː.ʊs]Ecclesiastical[ar.ki.meˈdɛː.us]

singular
form	masculine	feminine	neuter
nominative	Archimēdēus	Archimēdēa	Archimēdēum
genitive	Archimēdēī	Archimēdēae	Archimēdēī
dative	Archimēdēō	Archimēdēae	Archimēdēō
accusative	Archimēdēum	Archimēdēam	Archimēdēum
ablative	Archimēdēō	Archimēdēā	Archimēdēō
vocative	Archimēdēe	Archimēdēa	Archimēdēum

plural
form	masculine	feminine	neuter
nominative	Archimēdēī	Archimēdēae	Archimēdēa
genitive	Archimēdēōrum	Archimēdēārum	Archimēdēōrum
dative	Archimēdēīs	Archimēdēīs	Archimēdēīs
accusative	Archimēdēōs	Archimēdēās	Archimēdēa
ablative	Archimēdēīs	Archimēdēīs	Archimēdēīs
vocative	Archimēdēī	Archimēdēae	Archimēdēa

Borrowed from Ancient Greek Ἀρχιμήδειος (Arkhimḗdeios). By surface analysis, Archimēdēs + -ēus.