Where does “dietotherapeutical” come from?

dietotherapeutical (English) comes from English therapeutical, from English therapeutic, from New Latin therapeuticus, from Ancient Greek θεραπευτικός, from Ancient Greek θεραπευτής, from Ancient Greek -τής, from Ancient Greek πεῖρα, from Proto-Indo-European per- — passed , crossed.

dietotherapeutical (English): Relating to the therapeutic effects of one's diet

Definitions

  1. Relating to the therapeutic effects of one's diet

Ancestry of “dietotherapeutical”, step by step

dietotherapeutical traces back through two separate lines of ancestry.

via English therapeutical

StepLanguageWordMeaning
1Englishtherapeuticaltherapeutic; Such an agent
2EnglishtherapeuticOf, or relating to therapy; Having a positive...
3New Latintherapeuticuscuring, healing
4Ancient Greekθεραπευτικόςattentive, helpful, obliging, curative
5Ancient GreekθεραπευτήςOne who waits upon another; attendant
6Ancient Greek-τήςAppended to verbs to form agent nouns
7Ancient Greekπεῖραtrial, experiment, attempt
8Proto-Indo-Europeanper-before, in front; first; to go through
9Proto-Indo-Europeanpr̥tóspassed , crossed

via English dieto

StepLanguageWordMeaning
1Englishdieto
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Ancient Greek -τής