gillyflower
Concise Oxford English Dictionary © 2008 Oxford University Press:
gillyflower /ˈdʒɪlɪˌflaʊə/ (also gilliflower)
▶noun any of a number of fragrant flowers, such as the wallflower or stock.
– origin ME gilofre (in the sense ‘clove’), from OFr. gilofre, girofle, via med. L. from Gk karuophullon (from karuon ‘nut’ + phullon ‘leaf’).
'gillyflower' also found in these Oxford entries:

