The Tocharian B word kärkkālle
Word kärkkālle
k ə r k k a l l e
IPA kərkkalle
Meaning marsh, swamp
See also Proto-Celtic: *korkākā ‘swamp’

Comments
Douglas Q. Adams, “Etymological Dictionary of Tocharian B”, 1999, Brill

Other words that might be of interest
war ‘water’, swese ‘rain’, cake ‘river’, lyam ‘lake’, samudtär ‘sea’, karītstse ‘wet’, asāre ‘dry’, tsrerme ‘ditch’, murye ‘ditch, irrigation’, pält- ‘drip’, waiw- ‘moisten’, kaumiye ‘pond’, āp ‘river’