[yuán]
[名]
(水流起头的地方) source (of a river); fountainhead
when drinking water think of its source; remember where one's happiness comes from
饮水思源
Every tree has its roots and every river has its source.
木有本, 水有源。
(来源) source; cause
cause of a disease
病源
source of income
财源
source [supply] of goods
货源
(姓氏) a surname
Yuan Qianyao
源乾曜