Old English; earliest use found in Cleopatra Glossary. With later use compare Dutch bieslook (Middle Dutch biislōc; 1554 in Dodoens as †biesloock), lit. ‘rush leek’.
Definition of rush leek in US English:
rush leek
noun
rare
Chives, Allium schoenoprasum; = "rush garlic".
Origin
Old English; earliest use found in Cleopatra Glossary. With later use compare Dutch bieslook (Middle Dutch biislōc; 1554 in Dodoens as † biesloock), lit. ‘rush leek’.