Where does “Szikora” come from?

Szikora (English) comes from Hungarian Szikora, from Proto-Slavic sykora, from Proto-Slavic sykati — to hiss.

Ancestry of “Szikora”, step by step

StepLanguageWordMeaning
1HungarianSzikora
2Proto-Slavicsykoratit (bird of the family Paridae)
3Proto-Slavicsykatito hiss
Every word from Proto-Slavic sykatiEvery word from Proto-Slavic sykoraEvery word from Hungarian Szikora