Where does “довольно-таки” come from?

довольно-таки (Russian) comes from Russian дово́льно, from Russian дово́льный, from Russian во́ля, from Old East Slavic волꙗ, from Proto-Slavic *voľà, from Proto-Balto-Slavic wáljāˀ, from Proto-Indo-European welh₁- — to choose; to want.

довольно-таки (Russian): rather, somewhat

Definitions

  1. rather, somewhat

Ancestry of “довольно-таки”, step by step

довольно-таки traces back through two separate lines of ancestry.

via Russian дово́льно

StepLanguageWordMeaning
1Russianдово́льноenough, sufficient
2Russianдово́льныйcontent, satisfied, pleased
3Russianво́ляwill
4Old East Slavicволꙗ
5Proto-Slavic*voľàwill
6Proto-Balto-Slavicwáljāˀwill
7Proto-Indo-Europeanwelh₁-to choose; to want

via Russian таки́

StepLanguageWordMeaning
1Russianтаки́still, after all, in spite of (everything)
Every word from Proto-Indo-European welh₁-Every word from Proto-Balto-Slavic wáljāˀEvery word from Proto-Slavic *voľà