English
intervalence
From inter- + valence.
A compound of inter- + valence
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Proto-Indo-European *h₂welh₁-
…
Latin valeō ‘to be well, healthy, sound’
Latin valēns ‘strong, healthy’
Late Latin valentia ‘vigour’
German Valenz ‘valence, valency’
English valence
Today it means
adj Between metal sites that have different oxidation states.
Language periods are conventional ranges, not dates for this word.
Etymograph / intervalence