trenching
trench-ing
noun
The activity or process of digging long, narrow ditches in the ground.
"Deep trenching is required for the new drainage."
verb
The action of digging or excavating a long, narrow ditch.
"They are trenching to lay the fibre optic cables."
Thesaurus
Synonyms: deep, oceanic abyss, trench, ditch, impinge, encroach, entrench