Correct spelling for the English word "introing" is [ˈɪntɹə͡ʊɪŋ], [ˈɪntɹəʊɪŋ], [ˈɪ_n_t_ɹ_əʊ_ɪ_ŋ] (IPA phonetic alphabet).
The term introing is formed by adding the suffix -ing to the root word intro. Intro is a shortened form of the word introduction, which ultimately derives from the Latin word introductio, meaning a leading in. The Latin term is composed of two parts: intro meaning within or inside, and ductio meaning leading or bringing. Therefore, introing can be understood as a colloquial or informal shortening of introducing.