trenched russian

• ры́тый

  dug, excavated, trenched

• обка́пываемый

  being dug around, being trenched, being entrenched

• обко́панный

  dug around, trenched, encircled by a ditch

• перекопа́вший

  having dug up, having dug over, having trenched

• проко́панный

  dug, excavated, trenched