English
seroscreening
From sero- + screening.
Proto-Indo-European *ser- ‘to flow, run’
Proto-Indo-European *sér-o- ‘flowing, liquid’
Proto-Italic *serom ‘liquid’
Latin serum ‘some other watery liquid’
English sero-
Today it means
noun serological screening
Language periods are conventional ranges, not dates for this word.
Etymograph / seroscreening