Where does “smrček” come from?

smrček (Czech) comes from Proto-Slavic *smъrčьkъ — morel (Morchella gen. et spp.).

Ancestry of “smrček”, step by step

StepLanguageWordMeaning
1Proto-Slavic*smъrčьkъmorel (Morchella gen. et spp.)
Every word from Proto-Slavic *smъrčьkъ