The story
- Proto-Indo-European*mey-
- Proto-Indo-European*moy-nós
- Proto-Italic*moinos
- Latinmūnus
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Italic*n̥-
- Latinin-
- Latinin- -is
- Latinimmūnis
- Middle Frenchimmun
- Englishimmune
- Englishimmuno-
- Proto-Indo-European*treb-der.?
- Ancient Greekθερᾰ́πων (therắpōn)
- Ancient Greekθεραπεύω (therapeúō)
- Ancient Greekθερᾰπευτής (therăpeutḗs)
- Ancient Greekθεραπευτικός (therapeutikós)
- New Latintherapeuticus
- Middle Englishterapeucia
- Englishtherapeutic
- English todayimmunotherapeutic
From immuno- + therapeutic.
Etymology from Wiktionary, CC BY-SA 4.0.