The Early Proto-Albanian word *druwa
Word *druwa
Meaning tree, wood
See also Homeric Greek: δρῦς ‘tree’
Hittite: taru- ‘wood’
Proto-Indo-European: *dór-u- (nom-acc. dóru, gen. derw-ós) ‘tree’
Proto-Indo-European: *der-, drew- ‘tree, wood’
Hittite: ta-a-ru ‘wood, tree’
C. Luwian: ta-a-ru ‘wood’
Avestan: drvaēna- ‘wooden’

Comments
See V. Orel (2008)
Mod. Albanian dru, PIE *drew, doru-, Greek δρυς, Skt dru, Avestan dru

Other words that might be of interest
*albi ‘barley’, *baltā ‘swamp, marsh, dirt, earth’, *lenta ‘acorn’, *budjā ‘lip, end, edge, bank, stitch, rock’