unsaleable russian

• засто́йный

  stagnant, still, stale (of air)

  stagnant, stagnation-, of stagnation

  congestive

  backward, outdated, hidebound

  slow-moving (of goods), unsaleable

• за́лежь

  deposit, bed (of ore), reserves

  fallow land, long fallow

  unsaleable stock, leftover goods

Examples

• На складе скопился неликвидный товар.

  The warehouse accumulated unsaleable goods.