How to pronounce 從何 in Cantonese (3 out of 8):

究竟從何時開始
And when did it start?

Cantonese Sentence Breakdown

究竟 gau3 ging2
really
從何 cung4 ho4
where from
si4
o'clock
time
when
hour
season
period
era
current
timely
often
continously
frequently
fashionable
opportune
sometimes…sometimes
a surname
開始 hoi1 ci2
begin