water tabling
/ˈwɔːtə teɪb(ə)lɪŋ/ /ˈwɔːtə teɪblɪŋ/noun
1 Architecture. Water tables collectively; a line of water tables.
2The action or process of renovating with sods the side of a ditch worn away below the roots of a hedge. Compare water table. Now historical and rare.
Origin
Early 16th century. From water table + -ing.