passeriformyoudaoicibaDictYouDict[passeriform 词源字典]
"Resembling a sparrow in form or structure; specifically of or relating to the order Passeriformes of perching birds", Late 19th cent.; earliest use found in The Century Dictionary. From classical Latin passer sparrow + -iform, after scientific Latin Passeriformes, order name.[passeriform etymology, passeriform origin, 英语词源]