Learn Turkish: Mağazadan deri çizme satın aldım. - I bought leather boots from the store.

In Turkish, when referring to a general, unspecified object (like 'some boots' rather than 'the boots'), we usually leave the noun in its singular form. Additionally, things worn in pairs like shoes or boots are commonly treated as a singular unit unless you are specifically emphasizing multiple pairs.

Why isn't there an accusative ending (like -yi) on çizme?

The accusative case is only used for specific direct objects, which usually translate with 'the' in English. Since you bought some unspecified leather boots, rather than a specific pair already mentioned, çizme remains in its base dictionary form.

Why is it deri çizme and not deri çizmesi? Don't two nouns together need a compound ending?

Normally, when two nouns combine (like yatak odası for 'bedroom'), the second noun gets a possessive ending. However, there is a major exception: when the first noun tells you the material the second noun is made of (like deri for leather, or altın for gold), we do not add any endings. The material noun simply sits in front, acting just like an adjective.

What is the difference between saying satın aldım and just aldım?