From Proto-Tungusic *ńiru-, compare Nanai нирури (niruri, “to write”).
Compare also Mongolian зурах (zurax, “to write”), Turkish yazmak (“to write”). (See Proto-Turkic *yaŕ-) (Can this(+) etymology be sourced?)
ᠨᡳᡵᡠᠮᠪᡳ • (nirumbi)