fountainhead

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. an abundant source (Freq. 1)
- she was a well of information
• Syn:
well, wellspring
• Hypernyms:
source
2. the source of water from which a stream arises
- they tracked him back toward the head of the stream
• Syn:
headspring, head
• Hypernyms:
beginning, origin, root, rootage, source