Helistanud
Helistanud is a form of the Estonian verb helistama, commonly translated as "called" or "has called." Linguistically, helistanud is the past participle (perfect participle) used to form perfect tenses and can function adjectivally. It contrasts with the simple past tense helistasin ("I called") and the passive participle helistatud ("called" in a passive sense).
Morphology and usage: helistanud combines the verb stem with the suffix -nud, which marks the perfect participle
Pronunciation: stress in Estonian typically falls on the first syllable; helistanud is often approximated in English
Etymology and related forms: helistanud derives from helistama, which is etymologically connected to the noun heli
Cultural note: calls and phone-related vocabulary are common in everyday Estonian; helistanud appears frequently in both