Etymograph

English

protargol

Protargol comes from German Protargol, and goes back to ol.

  1. Germanc. 1650–presentol1
  2. Germanc. 1650–presentProtargol1
  3. Englishtodayprotargol1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English protargol

Lineage

  1. Germanc. 1650–presentolWiktionary, English protargol
  2. Germanc. 1650–presentProtargolWiktionary, English protargol
  3. EnglishtodayprotargolWiktionary, English protargol

Every English word from German ol

Today it means

noun Silver proteinate, originally used as an antiseptic and later for staining in electron microscopy.

Sources

Sources: Wiktionary, “protargol”. 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 / German ol / protargol

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