scallion
Concise Oxford English Dictionary © 2008 Oxford University Press:
scallion /ˈskalɪən/
▶noun chiefly N. Amer. a shallot or spring onion.
– origin ME: from Anglo-Norman Fr. scaloun, based on L. Ascalonia (caepa) ‘(onion) of Ascalon’, a port in ancient Palestine.
'scallion' also found in these Oxford entries:

