IPA: /rɪˈɡɑːrdɪŋ/
KK: /rɪˈgɑrdɪŋ/
In reference to something; about a particular subject.
Regarding your question, I will get back to you soon.
Regarding → It is formed from "re-" (meaning again) and "gardare" (from Old French *regarder*, meaning to look at or consider). The word "regarding" means looking at or considering something again or in relation to it.
Think of 'looking at' something again ('re-') — that's why regarding means to consider or think about something.