"having human form; anthropoid in form" (of apes, etc.), 1753, Englishing of Late Latin anthropomorphus "having human form," from Greek anthropomorphos "of human form," from anthrōpos "human being" (see anthropo-) + morphē "form," a word of uncertain etymology. Related: Anthropomorphously.
word-forming element making nouns implying a practice, system, doctrine, etc., from French -isme or directly from Latin -isma, -ismus (source also of Italian, Spanish -ismo, Dutch, German -ismus), from Greek -ismos, noun ending signifying the practice or teaching of a thing, from the stem of verbs in -izein, a verb-forming element denoting the doing of the noun or adjective to which it is attached. For distinction of use, see -ity. The related Greek suffix -isma(t)- affects some forms.
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<a href="https://www.etymonline.com/word/anthropomorphism">Etymology of anthropomorphism by etymonline</a>
Harper, D. (n.d.). Etymology of anthropomorphism. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/anthropomorphism