Basque

Suffix

-du

1. (verb suffix) Most common suffix used to form verbs. This is an alternative form of -tu, used with stems ending in -l or -n.

   lagun ‎(“friend”) + ‎-du → ‎lagundu ‎(“to help”)

   afari ‎(“dinner”) + ‎-du → ‎afaldu ‎(“to eat dinner”)

Alternative forms

• -tu is used in all other cases