This is the 5575th most frequent Turkish word.
odunu
"The wood" or "the timber."
In this sentence, 'odunu' refers to 'the wood' (specific) as it is in the accusative form, used to show the direct object of the verb 'keserken' (while cutting).
Bahçede odunu keserken dikkatli olmalısın.
You should be careful while cutting the wood in the garden.
Here, 'odunu' denotes 'the wood' as it is related to the specific material prepared for the winter season, functioning as the direct object in the sentence.
Kış için odunu hazırladık.
We prepared the wood for winter.
In this instance, 'odunu' means 'the wood', emphasizing the specific object to be carried, and is used in the accusative case as the direct object of the implied action.