Where does “simpukkasora” come from?

simpukkasora (Finnish) comes from Finnish simpukka, from Russian же́мчуг, from Old East Slavic жьмьчюгъ, from Khazar *ǯinǯü, from Common Turkic *yinǯü, from Middle Chinese 珍珠.

Ancestry of “simpukkasora”, step by step

simpukkasora traces back through two separate lines of ancestry.

via Finnish simpukka

StepLanguageWordMeaning
1Finnishsimpukkabivalve any species of mollusks belonging to the class; the class Bivalvia
2Russianже́мчугpearl
3Old East Slavicжьмьчюгъ—
4Khazar*ǯinǯü—
5Common Turkic*yinǯü—
6Middle Chinese珍珠—

via Finnish sora

StepLanguageWordMeaning
1Finnishsoragravel
2Proto-Finnicsora—
3Proto-Finno-Ugricćora—
Every word from Middle Chinese 珍珠 →Every word from Common Turkic *yinǯü →Every word from Khazar *ǯinǯü →