English
photoconsumption
Photoconsumption comes from Latin cōnsūmptiō ‘consumption’, from cōnsūmō ‘to take wholly or completely’, and ultimately from Proto-Indo-European *h₁em-.
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁em-‘to take’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*h₁émetireconstructed
- Proto-Italicc. 1500–700 BCE*emō‘to take’reconstructed
- Latinc. 75 BCE–200 CEemō‘to buy, purchase’
- Latin, derivedc. 75 BCE–200 CEsūmō‘to take, take up, catch, assume, seize, claim, arrogate’
- Latin, derivedc. 75 BCE–200 CEcōnsūmō‘to take wholly or completely’
- Latin, derivedc. 75 BCE–200 CEcōnsūmptiō‘consumption’
- Old Frenchc. 842–1400consumpcion
- Middle Englishc. 1150–1500consumpcioun
- English1500–presentconsumption
- Englishtodayphotoconsumption
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁em-‘to take’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*h₁émetireconstructed
- Proto-Italicc. 1500–700 BCE*emō‘to take’reconstructed
- Latinc. 75 BCE–200 CEemō‘to buy, purchase’
- Latin, derivedc. 75 BCE–200 CEsūmō‘to take, take up, catch, assume, seize, claim, arrogate’
- Latin, derivedc. 75 BCE–200 CEcōnsūmō‘to take wholly or completely’
- Latin, derivedc. 75 BCE–200 CEcōnsūmptiō‘consumption’
- Old Frenchc. 842–1400consumpcion
- Middle Englishc. 1150–1500consumpcioun
- English1500–presentconsumption
- Englishtodayphotoconsumption
A compound of photo- + consumption
Proto-Indo-European *bʰeh₂- ‘to shine, glow light’
Proto-Indo-European *bʰéh₂os
Proto-Hellenic *pʰáwos
Ancient Greek φᾰ́ος ‘light’
Ancient Greek φῶς ‘light’
English photo-
Latin sūmō ‘take; consume’
Latin cōnsūmō ‘to consume’
Latin cōnsūmptiō
Old French consumpcion
Middle English consumpcioun
English consumption
Linked words
through Proto-Indo-European *h₁em- ‘to take’
exempt, pommel, pomade, 55 more
through Proto-Italic *emō ‘to take’
through Latin emō ‘to buy, purchase’
premium, ransom, redeem, redemption, exemption, preemption, emptor, 41 more
through Latin sūmō ‘to take, take up, catch, assume, seize, claim,…’
assume, resume, assumption, sumptuous, résumé, 32 more
through Latin cōnsūmō ‘to take wholly or completely’
consumer, consume, consumable, 20 more
through English consumption
Today it means
noun The consumption of a chemical species (typically molecular oxygen) under the influence of light
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *h₁em- / photoconsumption