dru m (indefinite plural druna, definite singular druni, definite plural drunat)
From Gaulish druto (“strong, vigorous”).
dru m (feminine singular drue, masculine plural drus, feminine plural drues)
dru
From Proto-Albanian *druwa, from Proto-Indo-European *druh₂o (compare Ancient Greek δρῦς (drûs)), collective of *dóru (gen. *dréus).