резец для гравирования с треугольным, квадратным или ромбовидным сечением, предназначенный в основном для нанесения контурных линий различной ширины во время предварительной разметки рисунка на металле
köken: Borrowed from Gaulish *gulbiā, from Proto-Celtic *gulb- (whence also the further suffixed *gulbīnos (“beak, bill”); compare Middle Irish gulba (“beak, jaw”), Welsh gylfin (“beak”)), probably of non-Indo-European origin, and not related to Proto-Indo-European *gelbʰ- (“to flay, scrape”).
köken: From Late Latin gulbia, gubia, borrowed from a Celtic language; from Proto-Celtic *gulbā, *gulbīnos (“beak, bill”) (compare Middle Irish gulba (“beak, jaw”), Welsh gylfln (“beak”)), probably of non-Indo-European origin. Cognate with English gouge.