redifferentiate
/ˌriːdɪfəˈrɛnʃɪeɪt/verb
1 [with object] To cause (cells or tissue) to become specialized again following loss of differentiation. Usually in pass.
2 [no object] Especially of cells or tissue: to become specialized again following a loss of differentiation; to undergo redifferentiation.
3 [no object] And with object Mathematics. To differentiate (a function) that is itself a derivative; to differentiate again or further.
4 [with object] To differentiate (something) again or further.
Origin
Mid 19th century; earliest use found in Herbert Spencer (1820–1903), philosopher, social theorist, and sociologist. From re- + differentiate.