mannermanner

Manner comes from Middle English manere ‘the usual practice or habit of someone’, from Latin manuarius ‘belonging to the hand’, and ultimately from manus.

1. Latinc. 75 BCE–200 CEmanus¹‘hand’
2. Latinc. 75 BCE–200 CEmanuarius¹‘belonging to the hand’
3. Vulgar Latinc. 100–700 CE*manāria¹reconstructedfeminine of manuarius
4. Old Frenchc. 842–1400maniere¹
5. Anglo-Normanc. 1066–1400manere¹
6. Middle Englishc. 1150–1500manere¹‘the usual practice or habit of someone’
7. Englishearliest quotation 1591manner¹

1. ¹ Wiktionary, English manner
2. Earliest quotation in Wiktionary’s entry: 1591, William Shakespeare, The First Part of Henry the Sixt: “The treacherous manner of his mournful death.”.