What does Lernaeus mean in Latin?

Lernaeus, a noun, means “Lernean (person)”.

What is the genitive of Lernaeus?

The genitive singular is Lernaeī. Lernaeus is masculine, second declension.

noun · masculinesecond declension

Lernaeus m sg (genitive Lernaeī, feminine Lernaea)

Borrowed from Ancient Greek Λερναῖος (Lernaîos).

Descendants

adjectivefirst/second-declension adjective

Lernaeus²

Lernaeus (feminine Lernaea, neuter Lernaeum)

singular
form	masculine	feminine	neuter
nominative	Lernaeus	Lernaea	Lernaeum
genitive	Lernaeī	Lernaeae	Lernaeī
dative	Lernaeō	Lernaeae	Lernaeō
accusative	Lernaeum	Lernaeam	Lernaeum
ablative	Lernaeō	Lernaeā	Lernaeō
vocative	Lernaee	Lernaea	Lernaeum

plural
form	masculine	feminine	neuter
nominative	Lernaeī	Lernaeae	Lernaea
genitive	Lernaeōrum	Lernaeārum	Lernaeōrum
dative	Lernaeīs	Lernaeīs	Lernaeīs
accusative	Lernaeōs	Lernaeās	Lernaea
ablative	Lernaeīs	Lernaeīs	Lernaeīs
vocative	Lernaeī	Lernaeae	Lernaea

Borrowed from Ancient Greek Λερναῖος (Lernaîos).

What does Lernaeus mean in Latin?: Lernaeus, a noun, means “Lernean (person)”.
What is the genitive of Lernaeus?: The genitive singular is Lernaeī. Lernaeus is masculine, second declension.