Where does “гладко” come from?

гладко (Russian) comes from Russian гла́дкий, from Proto-Slavic gladъkъ, from Proto-Balto-Slavic glā́ˀdus, from Proto-Indo-European gʰleh₂dʰ- — bright, shining; smooth.

гладко (Russian): smoothly; short neuter singular of гла́дкий

Definitions

  1. smoothly; short neuter singular of гла́дкий

Ancestry of “гладко”, step by step

StepLanguageWordMeaning
1Russianгла́дкийsmooth
2Proto-Slavicgladъkъsmooth, plain
3Proto-Balto-Slavicglā́ˀdussmooth
4Proto-Indo-Europeangʰleh₂dʰ-bright, shining; smooth
Every word from Proto-Indo-European gʰleh₂dʰ- →Every word from Proto-Balto-Slavic glā́ˀdus →Every word from Proto-Slavic gladъkъ →