Where does “cьlo” come from?

cьlo (Proto-Slavic) comes from Old High German zol, from Proto-Germanic tullō, from Latin toloneum, from Latin teloneum, from Ancient Greek τελώνιον, from Ancient Greek τελώνης, from Ancient Greek ὠνέομαι, from Ancient Greek ὦνος — price.

Ancestry of “cьlo”, step by step

StepLanguageWordMeaning
1Old High Germanzol—
2Proto-Germanictullōwhat is counted or told
3Latintoloneum—
4Latinteloneumtoll booth; custom house
5Ancient Greekτελώνιονtoll-house
6Ancient Greekτελώνηςa farmer or collector or the tolls, customs or...
7Ancient Greekὠνέομαιto buy, purchase
8Ancient Greekὦνοςprice
9Proto-Indo-Europeanwosno-—
10Proto-Indo-Europeanwesno-price
Every word from Proto-Indo-European wesno- →Every word from Proto-Indo-European wosno- →Every word from Ancient Greek ὦνος →