kampányaihoz
The term "kampányaihoz" is the Hungarian possessive plural form of "kampány," which translates to "campaign" in English. This means "kampányaihoz" specifically refers to "to his/her/its campaigns" or "for his/her/its campaigns." It denotes an action or purpose directed towards the multiple campaigns belonging to a singular entity.
In practical usage, "kampányaihoz" would appear in sentences where someone is contributing to, preparing for, or