Etymograph

English

subfuscous

Subfuscous comes from Latin suffuscus ‘brownish, darkish, or off-colour’, from fuscus ‘dark, black’, and ultimately from Proto-Indo-European *dʰwes- ‘to breathe, inhale, exhale’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰwes-‘to breathe, inhale, exhale’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*dʰus-ko-s‘dark-colored’reconstructed
  3. Latinc. 75 BCE–200 CEfuscus‘dark, black’
  4. Latin, derivedc. 75 BCE–200 CEsuffuscusas subfuscus‘brownish, darkish, or off-colour’
  5. Englishtodaysubfuscous

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰwes-‘to breathe, inhale, exhale’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*dʰus-ko-s‘dark-colored’reconstructed
  3. Latinc. 75 BCE–200 CEfuscus‘dark, black’
  4. Latin, derivedc. 75 BCE–200 CEsuffuscusas subfuscus‘brownish, darkish, or off-colour’
  5. Englishtodaysubfuscous

Formed from sub- + fuscous

Proto-Indo-European *upó ‘up; from below’

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Proto-Indo-European *dʰwes- ‘to breathe, inhale, exhale’

Proto-Indo-European *dʰus-ko-s ‘dark-colored’

Latin fuscus ‘dark, dusky’

English fuscous

Linked words

through Proto-Indo-European *dʰwes- ‘to breathe, inhale, exhale’

dear, dizzy, dusk, 7 more

Today it means

adj Duskish; moderately dark; tawny.

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

Etymograph / Proto-Indo-European *dʰwes- / subfuscous