Where does “hasełko” come from?

hasełko (Polish) comes from Polish hasło, from Czech heslo, from Old Czech heslo, from Proto-Slavic gъslo — sign, word as code.

Ancestry of “hasełko”, step by step

StepLanguageWordMeaning
1Polishhasłopassword; slogan; entry, headword
2Czechheslopassword; headword; motto, slogan
3Old Czechheslorank; sign; monument
4Proto-Slavicgъslosign, word as code
Every word from Proto-Slavic gъslo →Every word from Old Czech heslo →Every word from Czech heslo →