Gender: Masculine
Origin: Estonian
Meaning: “attack.”

The name is possibly derived from the Estonian, rünnak, meaning “attack.”

The designated name-day is May 12.

Sources

1. http://www.behindthename.com/namedays/lists/est.php
2. http://online.ectaco.co.uk/main.jsp?do=e-services-dictionaries-word_translate1&status=translate&lang1=45&lang2=en&source_id=5556416