mid-15c., Antropomorfites (plural), one who believes as an article of faith that the Supreme Being exists in human form," from Late Latin anthropomorphitae (plural); see anthropomorphous + -ite (1). Specifically of certain sects of Christians that arose over the years and were condemned as heretics.
The sect of Antropomorfitis, whiche helden that God in his godhede hath hondis and feet and othere suche membris. [Reginald Pecock, "The Repressor of Over Much Blaming of the Clergy," 1449]
Related: Anthropomorphitism (1660s); anthropomorphitic. Technically, the anthropomorphite attributes a human body to God, the anthropomorphist attributes to Him human passions.