Where does “trocle” come from?

trocle (Middle English) comes from Anglo-Norman trocle, from Medieval Latin trochlea, from Ancient Greek τροχιλία, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

Ancestry of “trocle”, step by step

StepLanguageWordMeaning
1Anglo-Normantrocle
2Medieval Latintrochleaa block, sheaf containing one or more pulleys;...
3Ancient Greekτροχιλία
4Ancient Greek-ῐ́ᾱ{{l|en|-ia}}; "suffix forming abstract feminine...
5Proto-Indo-European-íh₂
6Proto-Indo-European-h₂Creates collective nouns, which refer to groups...
Every word from Proto-Indo-European -h₂Every word from Ancient Greek -ῐ́ᾱEvery word from Ancient Greek τροχιλία