eş: point final, point à la ligne, un point c’est tout
köken: Compound of point (“period”) + barre (“bar”) On the model of French point final, an allusion to a typewriter or computer keyboard, the period being followed by a space. Alternatively, some place the expression's origin as referring to a period following a slash, used for marking the end of a message transmitted by telex.
this is it, that's a wrap (used to indicate that something has been finished, especially after a long speech or text)
köken: Conflation of to byłoby wszystko (“that would be all”) and to tyle na dziś (“that's it for today”). Coined by Jan Tadeusz Stanisławski as a way to jokingly end his radio program.