| Name | Comment | Pronounce | Grammar | Sources |
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| Belphoi |
Aeolian form of the name, found mostly in inscriptions. |
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| Dalphoi |
The local form, found on coins until the mid 4th century. |
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| Delphoi |
The most common name for the town and people from the Classical period on. |
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| Derphoi |
Found in inscription Delph. 3(2). 238 |
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| Dolphoi |
Found in inscription GDI 3607.5 |
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| Pytho |
One of two early names for the site. Ancients played with its supposed etymological conection with puthein (to rot). The name can refer to the site of Delphi itself, or the local region in which it lay. |
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| Python |
One of two early names of the site: some connection with python (snake): might be connected with the appearance of the rock; the myth of Apollo slaying Python probably post-dates the name. |
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