The Avestan word darəga-
Word darəga-
Meaning long
See also Homeric Greek: δολιχός ‘long’
Hittite: da-lu-ga-e-eš ‘long’
Proto-Indo-European: *dl̥h₁ghós ‘long’
Proto-Indo-European: *dlonghos ‘long’
Sanskrit: dīrghá- ‘long’

Other words that might be of interest
bǝrǝzant- ‘great, lofty’, paθana- ‘wide, broad’, skarǝna- ‘round’, mazaṇt- ‘great’, pərəθu- ‘broad, wide’