Where does “tūbe” come from?
tūbe (Middle High German) comes from Old High German tūba, from Proto-Germanic *dūbā, from Proto-Germanic dūbǭ, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.
tūbe (Middle High German) comes from Old High German tūba, from Proto-Germanic *dūbā, from Proto-Germanic dūbǭ, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.