Gruberin
Gruberin is a German feminine noun formed from the surname Gruber by adding the standard feminine suffix -in. It can function as a descriptor for a woman who bears the surname Gruber and may appear in genealogical records, archival inventories, or literary texts as a neutral way to reference a female Gruber without repeating the full name. In everyday speech, however, Germans typically say Frau Gruber rather than Gruberin, and the use of Gruberin is comparatively uncommon outside formal lists or creative writing.
Etymology and usage: The suffix -in is a productive way to form feminine nouns from masculine nouns
Plural and related forms: The plural form is Gruberinnen. The related terms include Gruber (the surname itself)
In fiction and media: Gruberin can be used as a character name or descriptor in fictional works
Summary: Gruberin denotes a woman named Gruber in contexts that employ the feminine form of the surname,