flowerflower

Flower comes from Middle English flour, from Anglo-Norman flur, from Latin flōs (accusative flōrem), from PIE *bʰleh₃- ‘to bloom’.

1. Proto-Indo-Europeanc. 4500–2500 BCE*bʰleh₃-¹‘to thrive, bloom’reconstructed
2. Proto-Italicc. 1500–700 BCE*flōs¹‘flower’reconstructed
3. Latinc. 75 BCE–200 CEflōs¹‘flower’
4. Anglo-Normanc. 1066–1400flur¹
5. Middle Englishc. 1150–1500flour¹‘a flower’
6. Englishearliest quotation 1513flower¹

1. ¹ Wiktionary, English flower
2. Earliest quotation in Wiktionary’s entry: 1513, John Skelton, Agaynst the Scottes; republished in John Scattergood: “At Floddon hyllys, / Our bowys, our byllys /…”.