Commentary for Tahorot 2:7
רַבִּי אֱלִיעֶזֶר אוֹמֵר, שְׁלָשְׁתָּן שָׁוִין. הָאֶחָד שֶׁבַּקֹּדֶשׁ וְשֶׁבַּתְּרוּמָה וְשֶׁבְּחֻלִּין, מְטַמֵּא שְׁנַיִם וּפוֹסֵל אֶחָד בַּקֹּדֶשׁ, מְטַמֵּא אֶחָד וּפוֹסֵל אֶחָד בַּתְּרוּמָה, וּפוֹסֵל אֶת הַחֻלִּין. הַשֵּׁנִי שֶׁבְּכֻלָּן, מְטַמֵּא אֶחָד וּפוֹסֵל אֶחָד בַּקֹּדֶשׁ, וּמְטַמֵּא מַשְׁקֵה חֻלִּין, וּפוֹסֵל לְאֳכָלֵי תְרוּמָה. הַשְּׁלִישִׁי שֶׁבְּכֻלָּן, מְטַמֵּא מַשְׁקֵה קֹדֶשׁ וּפוֹסֵל לְאֳכָלֵי קֹדֶשׁ:
Rabbi Eliezer says: The three of them are the same. First degree sanctified foods, <i>terumah</i> foods, and non-sanctified foods, [all] render two impure and invalidate one with regard to sanctified foods; [they all] render one impure and invalidate one with regard to <i>terumah</i>; and they invalidate non-sanctified foods [by rendering them impure]. The second degree [foods] for all [of these three categories], render one impure and invalidate one with regard to sanctified foods, render non-sanctified liquids impure, and invalidate [foods, by rendering them impure] for those who eat <i>terumah</i>. The third degree [foods] for all [of these three categories], render sanctified liquids impure, and invalidate [foods] for those who eat sanctified foods.
Bartenura on Mishnah Tahorot
English Explanation of Mishnah Tahorot
Bartenura on Mishnah Tahorot
English Explanation of Mishnah Tahorot
The first degree of uncleanness in holy food, in terumah or in common food: conveys uncleanness at two removes and causes invalidity at one additional remove in the case of holy food; conveys uncleanness at one remove and causes invalidity at one additional remove in the case of terumah; and causes invalidity in common food. Food that has first degree impurity, no matter what it is (hullin, terumah or holy food), conveys impurity in the same way. This will now be explained. If any food with first degree impurity comes into contact with holy food it conveys uncleanness in two removes. What this means is that if it touches something it gives it second degree impurity and the second degree food conveys third degree. The third degree only invalidates the holy food this food will not convey any other impurity down the line. In the case of terumah it conveys second degree impurity and the second degree invalidates the terumah that it touches. And if it touches common food it invalidates it (in reality it gives it second degree impurity) but such food will not convey any impurity onward.