nominative masculine singular definite article, the
köken: From Middle High German dër, from Old High German dër, replacing the original masculine and feminine nominative forms from Proto-Germanic *sa, by analogy with the adjective inflection. Compare also Old Dutch thie and Old English sē where the same process occurred.
köken: Inherited from Old East Slavic сь (sĭ, “this”), from Proto-Slavic *sь (“this”), from Proto-Balto-Slavic *śis, from Proto-Indo-European *ḱís. Doublet of сий (sij), a borrowing from Old Church Slavonic. Also compare to Ukrainian цей (cej).
Прочита́л я сей докуме́нт, ну и где там упомина́ется сто́имость?
köken: From Proto-Turkic *bū (“this”). The final -l is an extra determinant element, which is also attested in Kazakh бұл (būl, “this”) and Kyrgyz бул (bul, “this”), as well as in Kyrgyz тигил (tigil, “that”) and Bashkir шул (şul, “that”).
köken: From earlier assi, from Old Galician-Portuguese assi, from Late Latin ac sīc. Closely parallel to Aromanian ashi, Spanish así, Romanian așa. Compare also Catalan així, French ainsi, Italian così.