English
isoabsorption
Isoabsorption comes from Latin absorptiō ‘drink, beverage’, from absorbeō ‘to swallow down, devour’, and ultimately from Proto-Indo-European *srebʰ- ‘to sip, gulp, suck (in)’.
- Proto-Indo-Europeanc. 4500–2500 BCE*srebʰ-‘to sip, gulp, suck (in)’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*srobʰéyeti‘to be sipping, sucking’reconstructed
- Proto-Italicc. 1500–700 BCE*sorβeō‘to suck in’reconstructed
- Latinc. 75 BCE–200 CEsorbeō‘to suck in, drink up’
- Latin, derivedc. 75 BCE–200 CEabsorbeō‘to swallow down, devour’
- Latin, derivedc. 75 BCE–200 CEabsorptiō‘drink, beverage’
- English1500–presentabsorption
- Englishtodayisoabsorption
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*srebʰ-‘to sip, gulp, suck (in)’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*srobʰéyeti‘to be sipping, sucking’reconstructed
- Proto-Italicc. 1500–700 BCE*sorβeō‘to suck in’reconstructed
- Latinc. 75 BCE–200 CEsorbeō‘to suck in, drink up’
- Latin, derivedc. 75 BCE–200 CEabsorbeō‘to swallow down, devour’
- Latin, derivedc. 75 BCE–200 CEabsorptiō‘drink, beverage’
- English1500–presentabsorption
- Englishtodayisoabsorption
A compound of iso- + absorption
Ancient Greek ἴσος ‘equal’
English iso-
Proto-Indo-European *srebʰ- ‘to sip, gulp, suck (in)’
…
Proto-Italic *sorβeō ‘to suck in’
Latin sorbeō ‘to suck in, drink up’
Latin absorbeō ‘absorb’
Latin absorptiō ‘a sucking in’
English absorption
Linked words
through Proto-Indo-European *srebʰ- ‘to sip, gulp, suck (in)’
through Latin sorbeō ‘to suck in, drink up’
through Latin absorbeō ‘to swallow down, devour’
through English absorption
Today it means
noun A feature of the absorption spectra of a mixture of substances that are reacting with each other, in that at one frequency the absorption will remain constant throughout the reaction
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *srebʰ- / isoabsorption