Oholos 12:7 - 12:8

עמוד שהוא מוטל לאויר (a column which lay [on the ground] in the open air) – a round column that is cast on the ground and lies on its circle. In the open air, as for example, in the courtyard or in the garden. And from the middle of the circle it begins to overshadow on the ground and gradually becomes shortened from here and there until its bottom is next to/adjacent to the ground, and regarding the mater of bringing defilement we require a handbreadth by a handbreadth at the height of a handbreadth squared, but if there is here to the side that is outward from underneath the height of a handbreadth even though that which is below is adjacent/next to in the place of his lying down on the ground, the height is not a handbreadth completely which defiles in the tent, and it is judged like the sloping of tents. But the round pillar which has in its circumference twenty four handbreadths is found that its width is eight handbreadths, that all that has in its width a handbreadth there is in its circumference twenty-four handbreadths, and it is found that a person is able to make a quadrangle underneath his partition/wall that is from here to and from there a handbreadth by a handbreadth. At the height of a handbreadth, there is here a square of eight [handbreadths] by eight [handbreadths] if you make within it a circle of eight [handbreadths], it is found that the corners overlap eight-fifths [handbreadth] for each and every corner, for each cubit in a square is a cubit and two-fifths crosswise/in a diagonal line, it is found that the diagonal line is in excess of the width by sixteen-fifths, take from them half for this corner and half for that corner, there is for each one eight-fifths, and if you come to make in the corner that is outside of the circle a square of a handbreadth by a handbreadth, it is found that his diagonal line/crosswise is in excess over its width by two-fifths, and it is found that the measure of the diagonal line is seven-fifths, there would not remain for us more than the need other than one-fifth, but because the one-fifth is not exact. And furthermore, that each cubit in a square is a cubit and two-fifths in a diagonal line – which is not completely lying exactly in line, for it is missing a bit from it.

מודבק לאסקופה – that the threshold is wide and defilement is attached on the threshold from the arched gateway with posts and outward, Rabbi Eliezer holds that all of the threshold is like the house, therefore, it defiles the house. But Rabbi Yehoshua holds from he arched gateway with posts and outward, the threshold is not considered like the house. And the Halakha is according to Rabbi Yehoshua.

ידון מחצה למחצה – from half of the threshold and inward is like inside, and the house is impure, from half and outward is like outside and the house is pure, half and half, the house is impure.

מודבק למשקוף – underneath the lintel from the arched gateway and posts outward.

הבית טמא – that even from the arched gateway and posts and outward it is considered a house.

ור' יוסי מטהר – for it is not considered to him like a house. But the Halakha is not according to Rabbi Yossi.

רבי אליעזר מטמא – that he considers all of the threshold like a house.

מטפח ולמטן טהור – for it is similar to the ground.

מטפח ולמעלן טמא – even though it is attached to the threshold, Rabbi Yehoshua purifies the house, here when then defilement is in the house, Rabbi Yehoshua declares impure the threshold from a handbreadth and higher, because it is the manner of defilement to leave and not to enter. And the Halakha is according to Rabbi Yehoshua.