Etymograph

English

ecotone

Ecotone comes from Ancient Greek τόνος ‘tension’, and goes back to Proto-Indo-European *ten- ‘stretch’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ten-‘stretch’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*tón-osreconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*tónos‘tension’reconstructed
  4. Ancient Greekc. 800–300 BCEτόνοςtónos‘tension’
  5. Englishtodayecotone

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ten-‘stretch’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*tón-osreconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*tónos‘tension’reconstructed
  4. Ancient Greekc. 800–300 BCEτόνοςtónos‘tension’
  5. Englishtodayecotone

Formed from eco ‘ecology’

Linked words

through Proto-Indo-European *ten- ‘stretch’

continue, entertainment, tight, content, maintenance, obtain, tennis, retain, contain, tender, sustain, continuous, detention, tenant, retention, continent, tenor, rein, detain, pertinent, pristine, tenacity, tendon, continuum, abstain, tenacious, abstinence, sustenance, pertain, tetanus, countenance, tenet, tenement, retinue, tantra, incontinence, tenable, tendinitis, abstention, retentive, 68 more

through Ancient Greek τόνος ‘tension’

tune, ton, tonic, peritoneum, 12 more

Today it means

noun A transition area between two adjacent ecological communities (ecosystems).

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *ten- / ecotone