Bekhorot 23: words to know

אֵיתִיבֵיהּ (eitiveih): He raised an objection against him. Abaye uses this term to raise a contradiction from a mishna against Rabbi Yirmeya.
גּוּפָא (gufa): The matter itself. Used to return to and examine in depth a teaching quoted earlier in passing.
בִּיטּוּל בְּרוֹב (bitul berov): Halakhic nullification of a minority within a majority. Rabbi Yoḥanan explains that congealed blood avoids imparting impurity due to majority nullification.
אִיבָּעֵית אֵימָא (iba'it eima): If you want, say instead. Introduces an alternative resolution explaining the decree concerning impure fish brine.
קַב וְנָקִי (kav venaki): Few in quantity but pure and accurate. Cited as an established rule establishing that the halakha follows Rabbi Eliezer ben Yaakov.