This is the 10443rd most frequent Turkish word.
botları
"Botları" means "the boots" (plural, with a possessive suffix indicating "his/her/its/their").
In this sentence, 'botları' refers to a plural direct object, meaning 'the boots,' marked by the accusative case due to its role as the object of the verb 'giyip' (wear).
Sabah botları giyip yürüyüşe çıktım.
In the morning, I wore the boots and went for a walk.
Here, 'botları' is used again as a direct object, with the accusative case showcasing specific boots ('the boots') being seen.
Mağaza vitrininde renkli botları gördüm.
I saw colorful boots in the store window.
'Botları' here is in its accusative form, identifying a specific set of boots that were admired by the friend, providing clarity to the statement.