A silky fiber obtained from the pods of the kapok tree, used for insulation and as padding in pillows, mattresses, and life preservers.
[Malay kapuk, possibly of Proto-Malayo-Polynesian origin (compare Old Javanese kapuk) and originally referring to the kapoklike fibers found around the seeds of trees of the genus Bombax native to tropical Asia (later applied to the fibers of the related kapok tree Ceiba pentrandra in Malayo-Polynesian languages when the kapok tree was introduced from the Americas).]
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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:
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