原發性 yuánfāxìng primary Origin Definitions Defs Strokes Stroke Words Sentences Sents 原 yuán adjective original (bound form) original; primary; former发 發 fā verb to happen To occur; to take place; to come into existence性 xìng affix [-ity] Suffix used after verbs or adjectives to form nouns expressing a state, quality, or scope, similar to English "-ity", "-ness", or "-ism".