rigare

Etymology 1
From.

Verb

 * 1)  to rule to draw lines
 * 2)  to score to mark lines
 * 3)  to stream down (one's face, cheeks, etc.)
 * 4)  to scratch
 * 5)  to act (appropriately)
 * 1)  to scratch
 * 2)  to act (appropriately)
 * 1)  to act (appropriately)

Etymology 2
.

Verb

 * 1) to irrigate