sérfræðilega
Sérfræðilega is an Icelandic adverb that translates to "expertly," "professionally," or "specialistically" in English. It is derived from the noun "sérfræði," meaning "expertise" or "specialty." The adverb "sérfræðilega" describes an action or skill performed with a high degree of knowledge, training, and proficiency in a particular field.
When an activity is done "sérfræðilega," it implies that the person performing it possesses specialized knowledge
For instance, one might say that a surgeon operated "sérfræðilega," indicating their masterful skill and extensive