Chuvash:śart 'a dent for inserting bottom into banded vessels'
Kirghiz:čert- 2, 4
Kazakh:šert- 2, 4
Noghai:šert- 2, 3, 4
Bashkir:sirt- 2, 3
Balkar:čert- 'to mark'
Karakalpak:šert- 2, 4
Kumyk:čert- 1, 2, 4
Comments:VEWT 105, EDT 428, Федотов 2, 87-88. The semantic development here is 'to make notches, indents' > 'break the edge', 'pinch' (whence 'to click with fingers') - not onomatopoetic, as suggested by Clauson.
