Where does “tučňák” come from?

tučňák (Czech) comes from Czech -ák, from Proto-Slavic sъsàti, from Proto-Balto-Slavic suś-, from Proto-Indo-European sewk-, from Proto-Indo-European sewh₁- — to press, push.

tučňák (Czech): penguin

Definitions

  1. penguin

Ancestry of “tučňák”, step by step

StepLanguageWordMeaning
1Czech-ákgrader; from nouns forms nouns that indicate the...
2Proto-Slavicsъsàtito suck
3Proto-Balto-Slavicsuś-—
4Proto-Indo-Europeansewk-to bend, turn; to suck
5Proto-Indo-Europeansewh₁-to press, push
Every word from Proto-Indo-European sewh₁- →Every word from Proto-Indo-European sewk- →Every word from Czech -ák →