noun
bowing with three fingers of each hand on the floor
A formal, traditional Japanese bowing posture where one places the tips of the thumb, index, and middle fingers of both hands on the floor and bows deeply. Used in very polite or ceremonial situations, especially by women in historical or formal settings.
彼女は三つ指をついて深々とお辞儀をした。
She bowed deeply with three fingers of each hand on the floor.