Etymology

pulvinus

pul·vi·nus
P3U1L1V4I1N1U1S1

Today it means: A joint on a plant leaf or petiole that may swell and cause movement of the leaf or leaflet. Full definition →

Latin pulvīnus
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The story

  1. Latin · learned borrowing frompulvīnus“cushion, pillow, bolster”
  2. English todaypulvinus

Learned borrowing from Latin pulvīnus (“cushion, pillow, bolster”). Doublet of pillow, polverine, pulvino, pulvillus, and pulvinulus, as well as others.

Words from the same roots

Latinpulvīnus all →

pillowpulvino

Etymology from Wiktionary, CC BY-SA 4.0.