Several times used, but not explicity defined, though described by Bingley almost a
year ago, "nepotism" may be unfamiliar to some, though not many, of us. Incidentally
Incidentally, Candiru made a very amusing post that included the word, in that thread.

nepotism
5Fr n=potisme < It nepotismo < nepote, nephew < L nepos (gen. nepotis), grandson, NEPHEW: from favoritism shown to “nephews” by medieval prelates6 favoritism shown to relatives, esp. in appointment to desirable positions
nep$o[tist
n.
nep#o[tis4tic
adj.