源げんげんJLPTN1Meanings1suffixsource; originSuffix attached to nouns to indicate the source or origin of something. Common in technical and formal contexts.この川かわは富ふ士じ山さんを水すい源げんとしている。This river has its source in Mt. Fuji.情じょう報ほう源げんを明あきらかにしてください。Please clarify the source of the information.