Where does “photochemotherapeutic” come from?

photochemotherapeutic (English) comes from English chemotherapeutic, 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.

photochemotherapeutic (English): Of or pertaining to photochemotherapy

Definitions

  1. Of or pertaining to photochemotherapy

Ancestry of “photochemotherapeutic”, step by step

photochemotherapeutic traces back through two separate lines of ancestry.

via English chemotherapeutic

StepLanguageWordMeaning
1EnglishchemotherapeuticOf or having to do with chemotherapy; A chemical...
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 photo

StepLanguageWordMeaning
1EnglishphotoA photograph; A photo finish; To take a...
2EnglishphotographyThe art and technology of producing images on...
3Frenchphotographiephotography; photograph
4Ancient Greekφωτο-
5Ancient GreekφῶςAttic form of φᾰ́ος
6Proto-Hellenicpʰáos
7Proto-Indo-Europeanbʰéh₂os
8Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
9Proto-Indo-Europeanbʰeh₂-s-ri-
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Ancient Greek -τής