fixfix

Fix comes from Middle English fixen, from Old French *fixer, from fix ‘fastened’, from Latin fīxus, from fīgō ‘to drive in’, ultimately from PIE *dʰeygʷ- ‘to jab’.

1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeygʷ-¹‘to jab’reconstructed
2. Latinc. 75 BCE–200 CEfīgō¹‘to drive in’
3. Latinc. 75 BCE–200 CEfīxus¹‘immovable’
4. Old Frenchc. 842–1400fix¹‘fastened’
5. Old Frenchc. 842–1400*fixer¹reconstructed
6. Middle Englishc. 1150–1500fixen¹
7. Englishearliest quotation 1627fix¹

1. ¹ Wiktionary, English fix
2. Earliest quotation in Wiktionary’s entry: 1627, (please specify the page, or |century=I to X): “quicksilver will fix, so asto endure the hammer”.