Doma placed at the rear at a higher level were called 'taka-doma' (raised earthen floor) to distinguish them from the doma in the vicinity of the stage, which were called 'hira-doma' (flat earthen floor).
こうして格差がついた後方の土間のことを「高土間｣（たかどま）といい、舞台近くの「平土間｣（ひらどま）と区別した。