Final answer:
The word 'tata' in The Poisonwood Bible is likely a term of endearment or an informal way to address a father figure.
Step-by-step explanation:
In The Poisonwood Bible, the word 'tata' is most likely a term of endearment or an informal way of addressing someone. It could be similar to 'dad,' 'father,' or 'papa.' The context of the book suggests that 'tata' is used by the characters to refer to their father figure.
For example, in the passage you provided, it is mentioned that a character's father is referred to as 'tata.' This usage is seen in various languages and cultures as a way to lovingly address a father or father figure.