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

Related Names
Pegasus
From the Greek Πήγασος (Pegasos), perhaps "strong" or "from a water spring"
Pontus
Latinized form of greek Πόντος (Pontos), meaning "sea"
Arkus
A surname
Castello
Italian Castello, also recorded as Catalan, Irish and Slovene
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Anglicised form of the Welsh name Lloyd, from llwyd, meaning "grey, grey-haired"
Galos
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The ancient Egyptian god of the sky
Kaido
Estonian masculine form of Kaidi, a variant of Katariina (Catherine)
Lancelot
Possibly an Old French diminutive of Lanzo