Where does “真片仮名” come from?

真片仮名 (Japanese) comes from Japanese 片仮名, from Japanese 仮名, from Japanese 名, from Middle Chinese 名 — name.

真片仮名 (Japanese): a mixed script of kanji and katakana, or a use of such script, that was common in formal writing, before modern orthographic reforms which favored hiragana over katakana for grammatical elements such as particles and inflectional affixes

Definitions

a mixed script of kanji and katakana, or a use of such script, that was common in formal writing, before modern orthographic reforms which favored hiragana over katakana for grammatical elements such as particles and inflectional affixes

Ancestry of “真片仮名”, step by step

真片仮名 traces back through two separate lines of ancestry.

via Japanese 片仮名

Step	Language	Word	Meaning
1	Japanese	片仮名	Katakana, a set of Japanese syllabary characters,...
2	Japanese	仮名	a category of Japanese syllabary scripts: kana; a...
3	Japanese	名	name; reputation; famous, great, noted
4	Middle Chinese	名	name

via Japanese 真名

Step	Language	Word	Meaning
1	Japanese	真名	Chinese characters used to write the Japanese language
2	Japanese	真	truth, reality; truth, reality, genuineness;...
3	Chinese	似	—

Every word from Middle Chinese 名 →Every word from Japanese 名 →Every word from Japanese 仮名 →