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

词根词缀：siphon-, siphono-

【来源及含义】Greek > Latin: tube, pipe, or hose; a tube or pipe from which water or fluid springs out

【相关词根词缀】 A cross reference of word units that are related, directly and/or indirectly, with "tube, pipe": aulo-; can-, cann-; duc-, -duct (to lead, leading); fistul-; syringo-; tub-.

【同源单词】anti-siphon valve, back siphonage, bowl siphon, Heron, inverted siphon, siphon