Where does “lampisimpukka” come from?

lampisimpukka (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.

lampisimpukka (Finnish): lake fingernail clam, Musculium lacustre European species of small freshwater clam in the family Sphaeriidae, the fingernail clams and pea clams

Definitions

  1. lake fingernail clam, Musculium lacustre European species of small freshwater clam in the family Sphaeriidae, the fingernail clams and pea clams

Ancestry of “lampisimpukka”, step by step

lampisimpukka 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 lampi

StepLanguageWordMeaning
1Finnishlampipond
2Proto-Finniclampipond small lake
3Proto-Uraliclëmpe—
Every word from Middle Chinese 珍珠 →Every word from Common Turkic *yinǯü →Every word from Khazar *ǯinǯü →