קָא, (abbrev. of קאם, v. קָאֵים a. קוּם) [he, it stands,] a particle of emphasis, mostly untranslatable. Ber. 2ᵃ מכדי … אימת קא אכלי וכ׳ now, when do the priests eat T’rumah?; מילתא … קא משמע לן the Mishnah (in choosing that definition of the time) wants to teach us something else indirectly; והא קמשמע לן (abbr. קמ"ל) and it is this, it wants to teach us. Ib. 4ᵇ והא דקא אמרי וכ׳ and the reason why they say &c.; a. v. fr.—V. קָמָא I, a. קָאֵי.