Vihittäämme
Vihittäämme is a Finnish verb that translates to "we will consecrate" or "we will wed." It is the first-person plural future tense of the verb "vihkiä." The verb "vihkiä" has a range of meanings, including consecrating something for a religious purpose, ordaining someone into a religious office, or performing a marriage ceremony.
Therefore, "vihittäämme" specifically refers to the act of performing a wedding ceremony by the people speaking.
The structure of the word reveals its grammatical function. "Vihki-" is the verb stem, "-t-" is the