Where does “шьшкьн” come from?

шьшкьн (Serbo-Croatian) comes from Ottoman Turkish شاشقین, from Ottoman Turkish شاشمق, from Proto-Turkic siāĺ-.

Ancestry of “шьшкьн”, step by step

StepLanguageWordMeaning
1Ottoman Turkishشاشقینbewildered, confused, baffled, puzzled, mystified, perplexed, unable to think clearly or understand
2Ottoman Turkishشاشمقto miss one's way, to be surprised, be completely...
3Proto-Turkicsiāĺ-—
Every word from Proto-Turkic siāĺ- →Every word from Ottoman Turkish شاشمق →Every word from Ottoman Turkish شاشقین →