Etymology

rhombus

R1H4O1M3B3U1S1

Today it means: A parallelogram having all sides of equal length. Full definition →

First used 16th c.Latin rhombus ← Ancient Greek ῥόμβος
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Ancient Greek · derived fromῥόμβος“rhombus, spinning top”
  2. Latin · learned borrowing fromrhombus
  3. English todayrhombus

Learned borrowing from Latin rhombus, from Ancient Greek ῥόμβος (rhómbos, “rhombus, spinning top”). Doublet of rhomb and rhumb.

Words from the same roots

Latinrhombus all →

rhombrhumb

Ancient Greekῥόμβος all →

rhombrhumbrhombos

First known use, by meaning

  • from 16th c. A parallelogram having all sides of equal length.
  • from 16th c. The rhombus diamond, as one of the suits seen in a deck of playing cards ( or ).
  • from 16th c. Any of several flatfishes, including the brill and turbot, once considered part of the genus Rhombus, now in Scophthalmus.

Etymology from Wiktionary, CC BY-SA 4.0.