n. pl. pap·pi (păpī)
A modified calyx, composed of scales, bristles, or featherlike hairs, in plants of the composite family, such as the dandelion and the thistle.
[Latin, old man, down on certain seeds, from Greek pappos; see papa in the Appendix of Indo-European roots.]
pappose (-ōs) adj.
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.