Where does “Slavik” come from?

Slavik (English) comes from Czech slavík, from Proto-Slavic solvьjь, from Proto-Slavic solvъ, from Proto-Indo-European saluo-.

Ancestry of “Slavik”, step by step

Slavik traces back through two separate lines of ancestry.

via Czech slavík

StepLanguageWordMeaning
1Czechslavíknightingale
2Proto-Slavicsolvьjьnightingale
3Proto-Slavicsolvъyellowish-gray
4Proto-Indo-Europeansaluo-—

via Slovak Slavík

StepLanguageWordMeaning
1SlovakSlavíknightingale
Every word from Proto-Indo-European saluo- →Every word from Proto-Slavic solvъ →Every word from Proto-Slavic solvьjь →