ptilo-

Representing the Ancient Greek πτῐ́λον (ptĭ́lon, “feather”, “down”). Compare the English -ptile, the French ptil-, and the New Latin ptilo-.

• (Received Pronunciation) IPA^(key): /(p)tɪləʊ/, /(p)taɪləʊ/
• (UK) IPA^(key): /(p)tɪləʊ/, /(p)tʌɪləʊ/

ptilo-

1. down, feather; also, more loosely, downy, feathery, penniform, plumiform

   ptilogenesis, ptilolite, ptilopaedic

• Oxford English Dictionary (second edition, 1989) s.v. “ptilo-”
• Oxford English Dictionary (third edition, September 2007) s.v. “ptilo-, comb. form”

• pilot, potli, topil

Representing the Ancient Greek πτῐ́λον (ptĭ́lon, “feather”, “down”).

• (Classical Latin) IPA^(key): [ptɪ.ɫɔ]
• (modern Italianate Ecclesiastical) IPA^(key): [pt̪i.lo]

ptilo-

1. (New Latin) ptilo- (down, feather)

   Ptilocercus, Ptilopaedēs

• ptilīnum (New Latin)
• ptilōsis (New Latin)