Where does “sırtüstü” come from?

sırtüstü (Turkish) comes from Turkish sırt, from Ottoman Turkish صرت, from Proto-Turkic *sïrt.

sırtüstü (Turkish): In supine position, lying on one's back

Definitions

  1. In supine position, lying on one's back

Ancestry of “sırtüstü”, step by step

sırtüstü traces back through two separate lines of ancestry.

via Turkish sırt

StepLanguageWordMeaning
1Turkishsırtback
2Ottoman Turkishصرتback, the rear of the body, especially its upper part
3Proto-Turkic*sïrt—

via Turkish üst

StepLanguageWordMeaning
1Turkishüsttop
2Proto-Turkicüŕ-ton top, high above
3Proto-Turkicǖŕfat; on top, high above
Every word from Proto-Turkic *sïrt →Every word from Ottoman Turkish صرت →Every word from Turkish sırt →