old documents / (in palaeography) historical documents written to convey a specific intention between a sender and receiver; generally inclusive of written material through the mid-19th century

paleography

kyūjitai (traditional form of Japanese kanji used before 1947)

to study / to learn

the form of a character that belongs to a system, such as "Old", "New", "Simplified", "Traditional", etc.; this concerns the major, systematic differences, such as which radicals to be used, or stroke counts; compare 字形 (jikei)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

paleo-, old, used, previous

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

to research, to study