始祖鸟 shǐzǔniǎo archaeopteryx Origin Definitions Defs Strokes Stroke Words Sentences Sents 始祖 shǐzǔ original (bound form) original; primitive; used as a prefix for early evolutionary stages or foundational cultural forms.鸟 鳥 niǎo noun bird bird; feathered vertebrate with wings and a beak