English
loremaster
From lore + master, possibly a learned borrowing from Middle English or calque of Middle English lore maistir (“teacher of knowledge”).
Proto-Indo-European *leys- ‘to trace, to track’
…
Proto-Germanic *laizō ‘teaching’
Proto-West Germanic *laiʀu
Old English lār ‘teaching, learning, education’
Middle English lore ‘Education or teaching’
English lore
Proto-Indo-European *méǵh₂s ‘big’
Old Latin magester
Latin magister ‘chief’
Old English mǣster
Middle English maister ‘master’
English master
The story
From lore + master, possibly a learned borrowing from Middle English or calque of Middle English lore maistir (‘teacher of knowledge’).
Today it means
noun A wise person with knowledge of lore in any number of topics, such as history, genealogy, ancient poetry and possibly magic as well; A scholar.
Language periods are conventional ranges, not dates for this word.
Etymograph / loremaster