Where does “внутриполовой” come from?

внутриполовой (Russian) comes from Russian пол, from Old East Slavic полъ, from Proto-Slavic polъ, from Proto-Indo-European (s)pelH- — to split off, separate; to chop, to separate.

внутриполовой (Russian): intrasexual

Definitions

  1. intrasexual

Ancestry of “внутриполовой”, step by step

StepLanguageWordMeaning
1Russianполfloor; sex, gender; short masculine singular of...
2Old East Slavicполъfloor
3Proto-Slavicpolъside, flank; half; member of a pair of options →...
4Proto-Indo-European(s)pelH-to split off, separate; to chop, to separate
Every word from Proto-Indo-European (s)pelH- →Every word from Proto-Slavic polъ →Every word from Old East Slavic полъ →