病原 びょうげん Also written 病源 Meanings Noun, の-adjective origin of an illness; cause of a disease; pathogenesis; etiology Kanji 病 illness. Read as ビョウ. 原 original. Read as ゲン. Words containing 病原 病原体 (びょうげんたい) pathogen 病原性 (びょうげんせい) pathogenicity 病原菌 (びょうげんきん) pathogenic bacteria And 6 more. Jinuma: Japanese Dictionary · Word lists