Etymograph

English

infusorium

Infusorium comes from Latin īnfundō ‘to pour in, into, on, upon, or down upon,…’, and goes back to Proto-Indo-European *ǵʰewd-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰewd-1‘to pour’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰunédti1reconstructed
  3. Proto-Italicc. 1500–700 BCE*hundō1‘to pour out’reconstructed
  4. Latinc. 75 BCE–200 CEfundō1‘to pour out, shed’
  5. Latinc. 75 BCE–200 CEīnfundō2‘to pour in, into, on, upon, or down upon, forth, infuse’
  6. New Latinc. 1500–1900īnfūsōrium2
  7. Englishtodayinfusorium2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin infundo
  2. 2 Wiktionary, English infusorium

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰewd-Wiktionary, Latin infundo‘to pour’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰunédtiWiktionary, Latin infundoreconstructed
  3. Proto-Italicc. 1500–700 BCE*hundōWiktionary, Latin infundo‘to pour out’reconstructed
  4. Latinc. 75 BCE–200 CEfundōWiktionary, Latin infundo‘to pour out, shed’
  5. Latinc. 75 BCE–200 CEīnfundōWiktionary, English infusorium‘to pour in, into, on, upon, or down upon, forth, infuse’
  6. New Latinc. 1500–1900īnfūsōriumWiktionary, English infusorium
  7. EnglishtodayinfusoriumWiktionary, English infusorium

Linked words

through Proto-Indo-European *ǵʰewd- ‘to pour’

yet, refuse, gut, font, fuse, effusive, 40 more

through Proto-Italic *hundō ‘to pour out’

confused, foundry, diffusion, fondue, perfusion, profusion, effusion, 36 more

through Latin fundō ‘to pour out, shed’

foundation, founder, fundamental, refund, confusion, fusion, confuse, diffuse, confound, 46 more

through Latin īnfundō ‘to pour in, into, on, upon, or down upon,…’

funnel, 5 more

Today it means

noun Any of the many minute aquatic creatures, such as protozoa and unicellular algae, found in freshwater habitats.

Sources

Sources: Wiktionary, “infusorium”; the older steps come from the Wiktionary entry for Latin infundo. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *ǵʰewd- / infusorium

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