Meridian. Etymology.
In geography, a meridian is an imaginary line of longitude that runs from the North Pole to the South Pole. The Prime Meridian is a single half-circle that runs exactly 180 degrees from the North Pole to the South Pole, passing through Greenwich, England
MATRIA > MERI +
+ DIA (day, light) > dian.
Orion + Cancer
Antipode, from Pat > pod (bridge in Ro). Now the reference of the ''rainbow'' bridge, the ark linked toe the Noah 9th GY ''flood'' - Pat (Cancer, Ptah, Freya + Freyr).
pit is also from Pat.
Carpat (Carpati, Carpathian) is from Ca Ra Pat the energy of Ra in Cancer (Pat = Man/moon, Cancer).
Caraiman is from Ca Ra Man, the energy of Ra in Cancer.