obsequies
Concise Oxford English Dictionary © 2008 Oxford University Press:
obsequies /ˈɒbsɪkwɪz/
▶plural noun funeral rites.
– origin ME: pl. of obs. obsequy, from Anglo-Norman Fr., from the med. L. pl. obsequiae (from L. exsequiae ‘funeral rites’, influenced by obsequium ‘dutiful service’).
'obsequies' also found in these Oxford entries:

