Where does “двухтысячный” come from?

двухтысячный (Russian) comes from Russian ты́сяча, from Old East Slavic тысяча, from Proto-Slavic tỳsęti, from Proto-Balto-Slavic *tū́ˀsantis, from Proto-Indo-European tuHsont-, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

двухтысячный (Russian): two-thousandth, bimillenary

Definitions

  1. two-thousandth, bimillenary

Ancestry of “двухтысячный”, step by step

StepLanguageWordMeaning
1Russianты́сячаthousand
2Old East Slavicтысяча—
3Proto-Slavictỳsęti—
4Proto-Balto-Slavic*tū́ˀsantisthousand
5Proto-Indo-EuropeantuHsont-thousand
6Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European tewh₂- →Every word from Proto-Indo-European tuHsont- →Every word from Proto-Balto-Slavic *tū́ˀsantis →