Etymology

rhamphoid

R1H4A1M3P3H4O1I1D2

Today it means: Of a cusp: defined by the equation (y-x²)²=x⁵, which is parametrized by (t²,t⁴+t⁵); having two branches with concavity in the same direction. Full definition →

Ancient Greek ῥάμφος
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The story

  1. Ancient Greek · borrowed fromῥάμφος“beak”
  2. English todayrhamphoid

Borrowed from Ancient Greek ῥάμφος (rhámphos, “beak”) + -oid.

Words from the same roots

Ancient Greekῥάμφος all →

rhamphotheca

Etymology from Wiktionary, CC BY-SA 4.0.