Name the very popular vegetable which takes its name from the late Latin word for a single white pearl?

Answer 1

Thanks for the query.
It is Onion. (Latin 'unio').

Origin of word:
Latin: unio -> Old French: Oignon -> English: Onion

Definition of unio as per Merriam - Webster Dictionary: the type genus of the family Unionidae comprising freshwater mussels that have an oblong shell pearly within and covered without by a greenish or blackish epidermis.
Source: The web
unio at Merriam - Webster: http://www.merriam-webster.com/dictionary/unio

Comments

Thanks and appreciated.

Answer 2

Margarita ??? Just Guessing !

Comments

Pyaz or Kanda (Onion) hai bhai