English
immunoelectroosmophoresis
From immuno- + electro- + osmo- + -phoresis.
Today it means
noun A laboratory technique used to detect antigens or antibodies by applying an electric field that moves them through a gel, where they form a visible precipitate when they react with each other.
Language periods are conventional ranges, not dates for this word.
Etymograph / immunoelectroosmophoresis