soft c

listen to the pronunciation of soft c
Английский Язык - Английский Язык
In many languages, a letter "c" which is not pronounced as a velar stop (/k/, like English "k") but as a sibilant (/s/, like English "s") or an affricative (/tʃ/, like English "ch")
In Italian, the "c" sound in "certo" as distinct from the "c" sound in "caffè"
In English, the "c" sound in "cent", "central" and "circuit" as distinct from the hard c in "cat" and "cabin"