The story
- Old English · inherited fromfor Godes lufon
- Middle English · inherited fromfor the luf of God
- English todayfor the love of God
From Middle English for the luf of God, for þe love of god, for ðe luve of gode (literally “for the love of God”), variant of for godes luve, for godes lufe, for godes lufen (literally “for God's love”), from Old English for Godes lufon (literally “for God's love”).
Etymology from Wiktionary, CC BY-SA 4.0.