词根词缀:penna-
【来源及含义】Latin: feather, feathers; by extension in some situations, wing, wings
【相关词根词缀】 Related "feather, feather-like; soft down, plumage" word units: pinni-, pin-; plum-, -plume; pterido-; ptero-; ptilo-.
【同源单词】bipennate muscle, bipennate, brevipennate, empennage, impennate, longipennate