Where does “BL” come from?

BL (Chinese) comes from Japanese BL, from Japanese ボーイズ ラブ, from English Love, from Middle English love, from Old English lufu, from Proto-West Germanic *lubu, from Proto-Germanic lubō, from Proto-Indo-European lewbʰ- — to sound, resound, sing out; to leave.

BL (Chinese): boys' love yaoi media

Definitions

  1. boys' love yaoi media

Ancestry of “BL”, step by step

BL traces back through two separate lines of ancestry.

via Japanese BL

StepLanguageWordMeaning
1JapaneseBL
2Japaneseボーイズ ラブ
3EnglishLoveradiotelephony clear-code word for the letter L
4Middle Englishlovelove; strong and deep affection
5Old Englishlufulove
6Proto-West Germanic*lubulove
7Proto-Germaniclubōlove, affection
8Proto-Indo-Europeanlewbʰ-to desire, covet, want; to admire, praise; to...
9Proto-Indo-Europeanlēw-to sound, resound, sing out; to leave

via English bootloader

StepLanguageWordMeaning
1Englishbootloader
Every word from Proto-Indo-European lēw-Every word from Proto-Indo-European lewbʰ-Every word from Proto-Germanic lubō
BL — Etymology, Origin & Word History | Etymology Explorer