Lutherolatryn.

/l(j)uːθərˈɒlətri/Etymology: < the name of Martin Luther (See Lutheran adj. and n.) + -olatry comb. form.
1859 16 June 217/1 Lutherolatry.
Derivatives
1883 21 857 Our Lutherolatrists think [etc.].
This entry has not yet been fully updated (first published 1903; most recently modified version published online March 2018).