English

adlayer

Blend of adsorb + layer.

Proto-Indo-European *srebʰ- ‘to sip’

Proto-Indo-European *srobʰéyeti ‘to be sipping, sucking’

Proto-Italic *sorβeō ‘to suck in’

Latin sorbeō ‘suck in’

French adsorber ‘to adsorb’

Middle English leyer ‘a layer of stones’

English layer

Today it means

noun An adsorbed layer; in surface chemistry, a layer that is chemically interacting with the substrate.

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