-uu

Etymology
From earlier <  <, from  (whence also Finnish ) plus the inflectional stem of verbs ending in. Cognates include 🇨🇬.

Usage notes
This suffix is used for some verbs whose citation form ends in -ata or -ätä. The back vowel harmony form -uu is used even when the stem has e or i. The verbal stem is in the strong grade if applicable.