Where does “sarniątko” come from?

sarniątko (Polish) comes from English sarnie, from Polish Sarna, from Proto-Slavic sьrna, from Proto-Balto-Slavic śírˀnāˀ, from Proto-Indo-European ḱr̥h₂-néh₂, from Proto-Indo-European ḱerh₂- — head, top; horn.

Ancestry of “sarniątko”, step by step

StepLanguageWordMeaning
1EnglishsarnieA sandwich; a submarine sandwich, hoagie; The...
2PolishSarnaroe deer
3Proto-Slavicsьrnaroe; chamois
4Proto-Balto-Slavicśírˀnāˀhorn
5Proto-Indo-Europeanḱr̥h₂-néh₂—
6Proto-Indo-Europeanḱerh₂-head, top; horn
Every word from Proto-Indo-European ḱerh₂- →Every word from Proto-Indo-European ḱr̥h₂-néh₂ →Every word from Proto-Balto-Slavic śírˀnāˀ →