Clue: Livingstone sought its source

Answer: NILE

Length: 4

---

Similar Clues:

• Source of moos or baas (HERD with 4 letters)
• Chewable stimulant source (BETEL with 5 letters)
• Diminutive energy sources (ATOMS with 5 letters)
• Initial power source (PRIMEMOVER with 10 letters)
• High protein source (PEAS with 4 letters)
• Lake ___ (Mississippi's source) (ITASCA with 6 letters)
• Used as source material (CITED with 5 letters)
• Sources of milk (e.g. GOATS with 5 letters)
• Download source (SITE with 4 letters)
• Source of roof noise (RAINDROPS with 9 letters)