Possibly from Proto-Turkic *sekü (“stone bench, dais, platform”).
эҕэ • (eğe)
- (geology, meteorology) washout (especially what lies at the bottom of such flowing water)
- (by extension) hidden thought or intention
- эҕэ санаа ― eğe sanaa ― one's innermost thoughts
- тыл эҕэтэ ― tıl eğete ― the hidden meaning of a word