The Ida and Pingala nadis are often seen as referring to the two hemispheres of the brain. ... The word nadi comes from the Sanskrit root nad meaning "channel", "stream", or "flow".
Nadia is a female name, diminutive of the given name Nadezhda, used predominantly throughout the Mediterranean, Eastern Europe, Latin America and the Arab world. It has also seen some popularity in Quebec. Its origins are in the Slavic and Ancient Greek languages.