जलवायु (Hindi) comes from Hindi वायु, from Hindi रक्षा, from Sanskrit रक्षा, from Sanskrit रक्ष्, from Proto-Indo-Aryan Hrakṣ-, from Proto-Indo-Iranian Hrakš-, from Proto-Indo-European h₂lek- — to protect.
जलवायु (Hindi): climate
Definitions
climate
Ancestry of “जलवायु”, step by step
जलवायु traces back through two separate lines of ancestry.