Fiva Is A Girls Name Of Pacific Islander Origin. Derived From The Samoan Language, It Means "fever." While A Fever Is Often Associated With Illness And Raised Body Temperature, It Can Also Refer To An Extreme Form Of Excitement. When Baby Fiva Arrives In Your Life, You Can Show Them Just How Ecstatic You Are With This Unusual Name. Fiva Also Offers Plenty Of Inspiration To Honor Your Ancestral Heritage And Unique Family Traditions.