parandanud
Parandanud is the past active participle of the Estonian verb parandama, which means "to repair," "to correct," or "to amend." As a form, parandanud is used in compound perfect and pluperfect tenses together with the auxiliary verb olema ("to be") and can function adjectivally to describe a completed action.
In syntax and morphology, parandanud is formed from the verb stem paranda- plus the participial suffix -nud,
Parandanud is part of a wider system of Estonian non-finite verb forms that express aspectual and temporal