English
infectiology
From international scientific vocabulary, reflecting New Latin combining forms, from infection + -ology; being ISV, the word is cognate with French infectiologie, but in English the usual name of the medical specialty is infectious disease or infectious diseases.
Formed from infection + -ology
Proto-Indo-European *dʰeh₁k-
…
Latin faciō ‘to perform, do’
Latin īnficiō ‘to corrupt, to poison, to spoil, to taint, to…’
Late Latin īnfectiō
Old French infection
English infection
Today it means
noun The study of infection
Language periods are conventional ranges, not dates for this word.
Etymograph / infectiology