Where does “orthohyperkeratosis” come from?

orthohyperkeratosis (English) comes from English hyperkeratosis, from English hyper-, from Greek υπερ-, from Ancient Greek ὑπερ-, from Ancient Greek ὑπέρ, from Proto-Indo-European upér, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “orthohyperkeratosis”, step by step

orthohyperkeratosis traces back through two separate lines of ancestry.

via English hyperkeratosis

StepLanguageWordMeaning
1EnglishhyperkeratosisExcess keratin formation on the skin surface, as...
2Englishhyper-over, above or beyond; excessive; existing in...
3Greekυπερ-hyper, super; hyper-; super-, ultra-, sur-
4Ancient Greekὑπερ-over-, super-
5Ancient Greekὑπέρfor; over-much, above measure
6Proto-Indo-Europeanupérabove; over
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-

via English ortho

StepLanguageWordMeaning
1EnglishorthoAn isomer of a benzene derivative having two...
Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Proto-Indo-European upér
orthohyperkeratosis — Etymology, Origin & Word History | Etymology Explorer