Where does “шиљка” come from?

шиљка (Serbo-Croatian) comes from Serbo-Croatian шити, from Proto-Slavic šiti, from Proto-Balto-Slavic sjūtei, from Proto-Indo-European *syewH- — to sew.

Definitions

Ancestry of “шиљка”, step by step

StepLanguageWordMeaning
1Serbo-Croatianшитиto sew, stitch; to baste; to suture
2Proto-Slavicšitito sew
3Proto-Balto-Slavicsjūtei—
4Proto-Indo-European*syewH-to sew
Every word from Proto-Indo-European *syewH- →Every word from Proto-Balto-Slavic sjūtei →Every word from Proto-Slavic šiti →