Where does “C₂O” come from?

C₂O (Translingual) comes from Translingual C, from Latin celeritas, from Latin -tās, from Proto-Indo-European -teh₂ts, from Proto-Indo-European -teh₂, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

Ancestry of “C₂O”, step by step

C₂O traces back through 3 separate lines of ancestry.

via Translingual C

StepLanguageWordMeaning
1TranslingualCRoman numeral hundred; the hundredth
2Latinceleritasquickness, speed, swiftness, haste, celerity
3Latin-tāsty, -dom, -hood, -ness, -ship
4Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
5Proto-Indo-European-teh₂Used to form nouns representing state of being
6Proto-Indo-European-tósCreates verbal adjectives from verb stems

via Translingual o

StepLanguageWordMeaning
1Translingualo
2Etruscan𐌏
3Ancient GreekοLower-case omicron (ὂ μικρόν), the 15th letter of the ancient Greek alphabet. It represented the close-mid back rounded vowel. It is preceded by ξ and followed by π
4Phoenician𐤏ayin; ʿayin
5Egyptian𓁹

via Translingual 2

StepLanguageWordMeaning
1Translingual2
Every word from Proto-Indo-European -tós