'Epistemology' refers to -

• Epistemology (Noun)
English Meaning: the theory of knowledge, especially with regard to its methods, validity, and scope, and the distinction between justified belief and opinion.
Bangla Meaning: জ্ঞানতত্ত্ব।

• অন্য অপশনগুলোর মধ্যে -
• Entomology (Noun)
English Meaning: the scientific study of insects
Bangla Meaning: পতঙ্গতত্ত্ব; কীটতত্ত্ব।

• Etymology (Noun)
English Meaning: The study of the origin and history of words, or a study of this type relating to one word.
Bangla Meaning: শব্দের উৎপত্তি ও ইতিহাসসংক্রান্ত বিজ্ঞান।

• Anthropology (Noun)
English Meaning: Study of human origin and culture
Bangla Meaning: নরবিজ্ঞান; নরবিদ্যা; নৃতত্ত্ব।

Source: Oxford Learner's Dictionary and Bangla Academy Dictionary.