Gruen Family History
Gruen Surname Meaning
German (Grün): from Middle High German grūene ‘green fresh raw’ hence a nickname for someone who habitually dressed in green, a topographic name for someone who lived in a green and leafy place, or a habitational name for someone from a place called with this word, such as Gruna, Grunau in Silesia.
Jewish (Ashkenazic; Grün): artificial name from German grün ‘green’. Compare Grun.
Source: Dictionary of American Family Names 2nd edition, 2022