Proto-Tungus-Manchu: *pialki- (/-rk-)
Meaning: 1 to flash (of lightning) 2 lightning 3 to thunder
Russian meaning: 1 сверкать (о молнии) 2 молния 3 греметь (о громе)
Evenki: hē̂lki- 1, hē̂lkin 2 (/-rk-)
Ulcha: pịčụ- 1
Nanai: pojqana- 1
Oroch: xǟkki- 3
Comments: See ТМС 2, 320. tunget-prnum,tunget-meaning,tunget-rusmean,tunget-evk,tunget-ulc,tunget-nan,tunget-orc,tunget-reference,