to button one's lip, to hold one's tongue, to keep one's lips sealed
eş: milczeć jak głaz, milczeć jak grób, milczeć jak kamień, milczeć jak zaklęty, milczeć jak zamurowany, nie puszczać pary z ust
köken: Literally, “to keep [one's] tongue behind [one's] teeth”. Inherited from Proto-Slavic *dьržati ęzykъ za zǫby, with the verb substituted by the synonym trzymać.
köken: Literally a command to more than one person to "express your support by means of your tongues!" in allusion to the silence maintained in sacred rituals.
köken: From Old Norse þegja, from Proto-Germanic *þagjaną, cognate with Swedish tiga, Gothic 𐌸𐌰𐌷𐌰𐌽 (þahan). The Germanic verb is probably cognate with Latin taceō (“to be silent”).