Borrowed from Anglo-Norman scalun (variant of Old French eschaloigne), from a Proto-Romance derivation of Vulgar Latin *escalonia, from Latin Ascalonius (in caepa (“onion”) Ascalonius, "shallot"), from Ascalo (“Ascalon”), from Ancient Greek Ἀσκάλων (Askálōn, “Ascalon, an ancient Palestinian port”), from Phoenician [Term?] [script needed].
scallion (plural scallions)
- (now chiefly US) A spring onion, Allium fistulosum.
- (now chiefly US) Any of various similar members of the genus Allium.
- Any onion that lacks a fully developed bulb.
- (US, Scotland) A leek.