It's used by Janes as eating root vegetables like onions or garlic is discouraged or forbidden in that religion [1].
(Un)related: onions and garlic are pretty close to each other. Chicago is named after šikaakwa, [2] the native word for the local Allium that's alternately called "wild onion" or "wild garlic" in English [3]. You can hear a similar word for onion in a different Algonquin language, Ojibwe [4].
1. https://en.wikipedia.org/wiki/Jainism#Ahimsa_in_practice:_Ja...
2. https://en.wikipedia.org/wiki/Chicago#Etymology_and_nickname...