onč́ə̑geč́e
{наречий} 1. the day before yesterday
♢ onč́ə̑geč́e tolə̑n {ойлончо} (s)he came the day before yesterday
♦ onč́ə̑geč́e kastene {наречий} the day before yesterday in the evening
♦ onč́ə̑geč́e erdene {наречий} the day before yesterday in the morning
--"ТЫГАЙ ШОМАК ГЫЧ"--> keč́e