English
immunopositive
From immuno- + positive.
A compound of immuno- + positive
Proto-Indo-European *tḱey- ‘to settle’
…
Proto-Italic *pozinō
Latin pōnō ‘to place’
Latin positīvus ‘positive, settled’
Old French positif
English positive
Today it means
adj That generates a positive response to a test for a specific antigen or antibody
Language periods are conventional ranges, not dates for this word.
Etymograph / immunopositive