Etymology

astroid

A1S1T1R1O1I1D2

Today it means: A hypocycloid with four cusps. Full definition →

Ancient Greek ἄστρον
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Ancient Greek · derived fromἄστρον“a star”
  2. English todayastroid

From Ancient Greek ἄστρον (ástron, “a star”) + εἶδος (eîdos, “form, likeness”).

Words from the same roots

Ancient Greekἄστρον all →

disasterastronautastralastro-astrognosy

Etymology from Wiktionary, CC BY-SA 4.0.