Knobbly, Round Root Veggie, Tastes Like Salad Stem

This page is the CodyCross answer for the clue below from Prehistory, Group 1251, Puzzle 3 (The Sumerians).

Question is: Knobbly, Round Root Veggie, Tastes Like Salad Stem

and the answer is: CELERIAC

Word Meaning:

CELERIAC — A form of celery, Apium graveolens, having an aromatic taproot eaten as a vegetable.

Definitions from Wiktionary.