びょうげん 病原 LinksSentence search for 病原Sentence search for びょうげんSentence search for 病源Kanji details for 病 and 原Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. origin of an illness; cause of a disease; pathogenesis; etiologyOther forms病源 【びょうげん】 Discussions Log in to talk about this word.