Where does “desinъ” come from?

desinъ (Proto-Slavic) comes from Proto-Balto-Slavic deśinas, from Proto-Indo-European déḱs-i-no-s, from Proto-Indo-European deḱs- — right.

Ancestry of “desinъ”, step by step

StepLanguageWordMeaning
1Proto-Balto-Slavicdeśinasright
2Proto-Indo-Europeandéḱs-i-no-s—
3Proto-Indo-Europeandeḱs-right

Words derived from “desinъ”

Every word from Proto-Indo-European deḱs- →Every word from Proto-Indo-European déḱs-i-no-s →Every word from Proto-Balto-Slavic deśinas →