Where does “源氏物語” come from?

源氏物語 (Chinese) comes from Japanese 源氏物語, from Japanese 源氏, from Japanese 源, from Japanese 水, from Old Japanese 水, from Proto-Japonic *mentu — water.

源氏物語 (Chinese): The Tale of Genji

Definitions

Step	Language	Word	Meaning
1	Japanese	源氏物語	The Tale of Genji
2	Japanese	源氏	any family or clan with a common surname of 源
3	Japanese	源	a fountainhead; a source, origin
4	Japanese	水	water; drinking water; a fluid, liquid
5	Old Japanese	水	water
6	Proto-Japonic	*mentu	water