The word "introspection" can be broken down into two parts: the prefix "intro-" meaning "inward" or "within," and the root "spect," which means "to see" or "to look."
Combining these meanings, "introspection" refers to the act of looking within oneself or examining one's own thoughts, feelings, and emotions. Therefore, the most likely meaning of "introspection" is self-reflection or self-examination.