[quote="archylgp"You're correct -- Mandarin ji, qi, xi developed from ki, k'i, hi. This kind of change is called "palatalization". Palatalization didn't occur in Cantonese, thus the k - j correspondences in cognate sets.[/quote]
The same phenomenon happened in Latin during the time of the Roman Empire (with g and k, while h fell silent), and is ultimately the reason why English has both "hard" and "soft" c and g sounds.







