Proto-Japanese: *tànk-
Meaning: 1 kind, class 2 mutually, each other
Russian meaning: 1 вид, род 2 взаимно, друг друга
Old Japanese: tagupji 1, tagapji (ni) 2
Middle Japanese: tàgùfì 1, tàgáfí (ni) 2
Tokyo: tágui 1, tàgai ni 2
Kyoto: tágúi 1, tàgàí ni 2
Kagoshima: taguí 1, tagaí ni 2
Comments: JLTT 537, 538. Cf. also OJ tàgàp- 'to differ from one another' - probably the same root as tàgápji ni, but influenced by tígáp- 'to differ' (v. sub *t`ḗk`í). japet-prnum,japet-meaning,japet-rusmean,japet-ajp,japet-mjp,japet-tok,japet-kyo,japet-kag,japet-comments,