Etymology Explorer › English

Where does “-oid” come from?

-oid (English) comes from Latin -oides, from Greek -ο, from Ancient Greek εἶδος, from Spanish -scopio, from Latin -scopium, from Ancient Greek σκοπέω, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι — to see, to look, to observe.

-oid (English): Of similar form to, but not the same as. Having...

Definitions

  1. Of similar form to, but not the same as. Having...

Ancestry of “-oid”, step by step

StepLanguageWordMeaning
1Latin-oides-like, -form
2Greek-οending for "accusative singular" forms ; and some...
3Ancient GreekεἶδοςThat which is seen: form, image, shape;...
4Spanish-scopio-scope
5Latin-scopium—
6Ancient GreekσκοπέωI look, look at, behold; I examine, inspect; 413...
7Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
8Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
9Proto-Hellenicsképťomaito look at
10Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
11Proto-Indo-Europeanspeḱ-to see, to look, to observe

Words derived from “-oid”

  • steroid
  • paranoid
  • typhoid
  • opioid
  • plasmid
  • amyloid
  • colloidal
  • lymphoid
  • glenoid
  • myeloid
  • colloid
  • centroid
  • diploid
  • corticosteroid
  • glucocorticoid
  • mastoid
  • ellipsoid
  • nonsteroidal
  • sarcoidosis
  • haploid
  • alkaloid
  • Safavid
  • humanoid
  • steroidal
Every word from Proto-Indo-European speḱ- →