【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
