This is the 11981st most frequent Polish word.
kłody
Logs or obstacles.
Here, the word 'kłody' refers to literal logs that obstruct a path.
Na drodze leżały kłody drzew, utrudniając przejazd.
There were logs of trees lying on the road, making passage difficult.
In this context, 'kłody' is used metaphorically to mean obstacles or difficulties.
Ciągle rzucasz mi kłody pod nogi, a ja próbuję iść dalej.
You keep throwing obstacles in my way, but I try to keep going.
Here, 'kłody' again refers to physical logs, specifically as raw material for production.