ritualization

CEFR: C1-C2 /rit-u-al-iza-tion/ [no ipa available]

Definition: The evolutionary process by which an action or behaviour pattern in an animal loses its original function but is retained for its role in display or other social interaction.

Example Sentences:

Footdrumming, as with other signals, probably originated by ritualization of older forms of behavior not associated with communication such as running and digging.