Radical 田

11 strokes

field 田 (156a) + thread 糸 (607b) = exhausted 累

Notice that the threads are under the field here (compare this with Character 234).

The farmer laid a network of steel threads under the field to protect his crops from rabbits — and it worked, as the rabbits rapidly became exhausted trying to dig through them. / The dwarf takes them off and dumps them in the lake.