Correct spelling for the English word "overinterest" is [ˌə͡ʊvəɹˈɪntɹəst], [ˌəʊvəɹˈɪntɹəst], [ˌəʊ_v_ə_ɹ_ˈɪ_n_t_ɹ_ə_s_t] (IPA phonetic alphabet).
The word "overinterest" seems to be a combination of the prefix "over-" and the word "interest".
The prefix "over-" is derived from Old English "ofer" or "ofer" and has the meaning of "above", "beyond", or "excessively".
The word "interest" is derived from the Latin word "interest", which means "it is important" or "it concerns". This Latin term is a combination of the prefix "inter-" (meaning "between" or "among") and the verb "esse" (meaning "to be").
Combining these elements, "overinterest" can be understood to mean an excessive or excessive amount of interest, interest that goes beyond the normal or expected level. However, it's worth noting that "overinterest" may not be a widely recognized or commonly used term in English.