võltsingu
Võltsingu is an Estonian surname. It is derived from the word "võlts," which historically referred to a craftsman, particularly one who worked with metal or made objects by forging. The suffix "-ingu" is a common patronymic or diminutive ending in Estonian, suggesting a connection to a person whose ancestor was a võlts or that it referred to a younger or less skilled craftsman.
The surname appears to have emerged in a period when occupational surnames were becoming more prevalent. Similar