词根词缀:branchio-, branchi-
【来源及含义】Greek: gills
【同源单词】abranchial, abranchiate, Branchiosaurus, calyptobranchiate, cryptobranchiate, inferobranchiate
词根词缀:ptero-, pter-, -ptera, -pteron, -pteryx, -ptery, -pterous
【来源及含义】Greek: feather; wing, winglike
【相关词根词缀】 Related "feather, feather-like; soft down, plumage" word units: penna-; pinni-, pin-; plum-, -plume; pterido-; ptilo-.
【同源单词】Aphaniptera, apterex, apteria, apterous, apteryx, Archaeopteryx