Etymograph

English

toxin

Toxin may come from Latin toxicum ‘a poison used on the tips of arrows’.

  1. Latinc. 75 BCE–200 CEtoxicum1‘a poison used on the tips of arrows’uncertain
  2. Englishearliest quotation 2017toxin1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English toxin
  2. Earliest quotation in Wiktionary’s entry: 2017, Mark Carnall, Why do cephalopods produce ink? And what's ink made of, anyw: “The blue-ringed octopus Hapalochlaena lunulata has tetrodotoxin, the deadly…”.

Earlier history uncertain. See Wiktionary.

Lineage

  1. Latinc. 75 BCE–200 CEtoxicumWiktionary, English toxin‘a poison used on the tips of arrows’uncertain
  2. Englishearliest quotation 2017toxinWiktionary, English toxin. Earliest quotation in Wiktionary’s entry: 2017, Mark Carnall, Why do cephalopods produce ink? And what's ink made of, anyw: “The blue-ringed octopus Hapalochlaena lunulata has tetrodotoxin, the deadly…”

Formed from toxi + in

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in

Proto-West Germanic *in

Old English in

Middle English in ‘inside’

English in

Linked words

through Latin toxicum ‘a poison used on the tips of arrows’

toxic, 1 more

Today it means

noun A toxic substance, specifically a poison produced by the biological processes of organisms.

Sources

Sources: Wiktionary, “toxin”. 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 / Latin toxicum / toxin