Where does “akromatopsi” come from?

akromatopsi (Turkish) comes from French achromatopsie, from French a-, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

Ancestry of “akromatopsi”, step by step

StepLanguageWordMeaning
1Frenchachromatopsieachromatopsia
2Frencha-A prefix forming words, especially verbs, that...
3Ancient Greekἀ-The alpha privativum, used to make words that...
4Proto-Hellenichə-same; together
5Proto-Indo-Europeansm̥-one; with, together
6Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European sem- →Every word from Ancient Greek ἀ- →Every word from French a- →