Proto-Tungus-Manchu: *iaKu
Meaning: 1 swamp, ditch 2 brook
Russian meaning: 1 болото, лужа, канава 2 ручей
Evenki: jaku 1, jakta 2
Spoken Manchu: johǝrǝn, johurun 1 (2084)
Literary Manchu: jōχon 1
Nanai: jaqčịra 2
Udighe: jakpa` 2 (Корм. 240) tunget-prnum,tunget-meaning,tunget-rusmean,tunget-evk,tunget-sib,tunget-man,tunget-nan,tunget-ude,tunget-reference,