es

• Verb

  third-person singular present indicative of ser

• Noun

la

• Article

  the

• Pron
• Noun

principal

• Adj

  1. main, most important
  2. essential

• Noun

fuente

1. spring (water), fountain
2. source
3. platter, dish, bowl
4. font

del

of the, from the (+ a masculine noun in singular).

echo

• Verb

  first-person singular present indicative of echar

• Noun