base

noun1 of 2

origin or start from which something came

• “There are many flowers at the base of the mountain.”Tatoeba
• “People are quick to judge others based on appearance alone.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

verb2 of 2

To give as its foundation or starting point; to lay the foundation of.