English
immunobinding
From immuno- + binding.
Proto-Indo-European *bʰendʰ- ‘to tie, bind’
…
Proto-West Germanic *bindan ‘to bind, to tie’
Old English bindan ‘to bind, constrain’
Middle English binden ‘to bind, fasten’
Middle English byndynge
English binding
Today it means
noun The direct binding of an antigen to an antibody
Language periods are conventional ranges, not dates for this word.
Etymograph / immunobinding