The story
- Proto-Indo-European*déḱm̥
- Proto-Italic*dekəm
- Latindec(em)
- Latindēnus
- Latindēnārius
- Vulgar Latin*dīnārius
- Old Spanishdinero
- Spanishdinero
- English todaydinero
Borrowed from Spanish dinero (“money”). Doublet of denar, denarius, denier, dinar, diner, and dinheiro.
Etymology from Wiktionary, CC BY-SA 4.0.