Poseidon
[pəˈsaɪdən]Meaning
possibly from Greek posis "husband, lord" and da "earth"
Background Story
The name first appears in Mycenaean Greek inscriptions as po-se-da-o. It is possibly derived from the Greek πόσις (posis), meaning "husband, lord", and δᾶ (da), meaning "earth".

Related Names
Pegasus
From the Greek Πήγασος (Pegasos), possibly from πηγός ("strong") or πηγαῖος ("from a water spring").
Pontus
Latinized form of greek Πόντος (Pontos), meaning "sea"
Arkus
A surname
Castello
Italian for 'castle'
Floyd
Anglicised form of the Welsh name Lloyd, from llwyd, meaning grey or grey-haired
Galos
Horus
The ancient Egyptian god of the sky
Kaido
The name means 'ocean pathway' in Japanese.
Lancelot
Possibly an Old French diminutive of Lanzo, from a Germanic name element meaning "land".