Correct spelling for the English word "intermitter" is [ˌɪntəmˈɪtə], [ˌɪntəmˈɪtə], [ˌɪ_n_t_ə_m_ˈɪ_t_ə] (IPA phonetic alphabet).
The word "intermitter" does not have a specific entry in most dictionaries. It is likely a combination of the prefix "inter-" which means "between" or "among", and the suffix "-er" which is often used to denote one who performs an action or has a certain quality.
However, without a specific context or additional information, it is difficult to pinpoint the exact etymology of the word "intermitter" beyond this general analysis.