Correct spelling for the English word "interstructure" is [ˌɪntəstɹˈʌkt͡ʃə], [ˌɪntəstɹˈʌktʃə], [ˌɪ_n_t_ə_s_t_ɹ_ˈʌ_k_tʃ_ə] (IPA phonetic alphabet).
The word "interstructure" does not have an established etymology in the English language. It appears to be a combination of the prefix "inter", meaning "between" or "among", and the word "structure", referring to a system or framework. However, it's important to note that "interstructure" is not a recognized English word and does not have an established origin or meaning in the dictionary. It may have been formed by combining different elements or could potentially be a neologism created for a specific context or purpose.