水源涵養 すいげんかんよう Also written 水源かん養 Meanings Noun headwater conservation; water source protection; water source cultivation Kanji 水 water. Read as スイ. 源 source. Read as ゲン. 涵 immerse. Read as カン. 養 nourish. Read as ヨウ. Words containing 水源涵養 水源涵養林 (すいげんかんようりん) watershed protection forest Jinuma: Japanese Dictionary · Word lists