Proto-Eskimo: *qatŋǝ-
Meaning: to fall hard, to jolt (heavy object)
Russian meaning: тяжело упасть, трястись (о чем-то тяжелом)
Comments: It is necessary to separate this stem from *qatŋu- 'to move away, to go away, to start up' for semantic reasons. Comparative Eskimo Dictionary: 290