The word "throating" refers to the action of swallowing or gulping down something. It is spelled with the letter "o" after the letter "t" to indicate the long "o" sound. In IPA phonetic transcription, this can be written as /ˈθroʊtɪŋ/. The "th" sound is represented by the IPA symbol /θ/, while the long "o" sound is represented by /oʊ/. The ending "-ing" is represented by the phonetic symbol /ɪŋ/. Therefore, the correct spelling of this word is "throating".