semperidentical
adjUK /ˌsɛmpəɹaɪˈdɛntɪkəl/ · US /ˌsɛmpəɹɪˈdɛntɪkəl/
Etymology Blend of Latin semper īdem (“always the same”) + identical.
1
Nonce word, Rare Remaining always the same; unvarying with the passage of time.
- That perfectly semperidentical display of idiosyncratic egotism which runs through…all his varieties.1820–1847: Thomas Griffiths Wainewright [aut.] and William Carew Hazlitt [ed.], Essays and Criticisms, page 98 (1880 publication)