Where does “ch” come from?

ch (English) comes from English ICH, from English ichthyophthiriasis, from English Ichthyophthirius, from Ancient Greek ἰχθύς, from Ancient Greek ἀετός, from Proto-Hellenic ayyetós, from Proto-Indo-European h₂ewyetós, from Proto-Indo-European h₂éwis — bird.

ch (English): Abbreviation of chain - a unit of measurement...

Definitions

  1. Abbreviation of chain - a unit of measurement...

Ancestry of “ch”, step by step

StepLanguageWordMeaning
1EnglishICHInitialism of intracranial hemorrhage; Initialism...
2EnglishichthyophthiriasisA parasitic infection of freshwater fish caused...
3EnglishIchthyophthirius—
4Ancient Greekἰχθύςfish
5Ancient Greekἀετόςeagle; the constellation Aquila; omen
6Proto-Hellenicayyetós—
7Proto-Indo-Europeanh₂ewyetós—
8Proto-Indo-Europeanh₂éwisbird
Every word from Proto-Indo-European h₂éwis →Every word from Proto-Indo-European h₂ewyetós →Every word from Proto-Hellenic ayyetós →