Proto-Japanese: *tǝ̀-
Meaning: that way
Russian meaning: так, таким образом
Middle Japanese: to-ni-kaku-ni, tò-zàmà-káú-zámá
Comments: Attested since Heian, and only in the above expressions meaning "anyway, all directions" (lit. "that way - this way"). JLTT 550, 551.