keiretsu
Concise Oxford English Dictionary © 2008 Oxford University Press:
keiretsu /keɪˈrɛtsuː/
▶noun (pl. same) (in Japan) a conglomeration of businesses linked together to form a robust corporate structure.
– origin 1960s: Japanese, from kei ‘systems’ + retsu ‘tier’.
'keiretsu' also found in these Oxford entries:

