What does the cryptic crossword clue "Convince strangers to welcome brotherly love? (6)" mean?

The definition is "brotherly love?". The wordplay uses a hidden word. Hidden in "convINCE STrangers to welcome brotherly love?" The answer is INCEST.

Convince strangers to welcome brotherly love? (6)

Guardian Cryptic #28962 | 20 Down | 2023-01-09 flower