To stab, to jab, to stick into.
From Ottoman Turkish صاپلامق (ṣaplamaḳ, “to thrust a sharp pointed thing into, to put a handle to”), from Proto-Turkic *sapla- (“to attach a handle”), from Proto-Turkic *sap (“hilt of a knife or sword”), morphologically sap + -la + -mak.
Practice speaking and memorizing "saplamak" and many other words and sentences in Turkish.