Where does “сей” come from?

сей (Russian) comes from Proto-Slavic sь, from Proto-Balto-Slavic śis, from Proto-Indo-European ḱís, from Proto-Indo-European ḱe, from Middle English kyt, from German kitt, from Old High German kuti, from Proto-West Germanic kwidu — to bend; curve; arch; vault; to bow, bend, arch,...

сей (Russian): this, this here; second-person singular...

Definitions

  1. this, this here; second-person singular...

Ancestry of “сей”, step by step

StepLanguageWordMeaning
1Proto-Slavicthis
2Proto-Balto-Slavicśisthis here
3Proto-Indo-Europeanḱísthis
4Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
5Middle Englishkyt
6Germankittputty certain kinds of cement used for fixing e.g. window panes
7Old High Germankuti
8Proto-West Germanickwidugum, resin
9Proto-Germanickweduzresin
10Proto-Indo-Europeangʷet-resin, gum; to say, speak
11Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

Words derived from “сей

Every word from Proto-Indo-European gū-Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduz
сей — Etymology, Origin & Word History | Etymology Explorer