The story
- Spanishmi
- Proto-Indo-European*dʰeh₁(y)-
- Proto-Indo-European*dʰh₁ilyós
- Proto-Italic*θīlios
- Proto-Italic*fīlios
- Latinfīlius
- Old Spanishfijo
- Spanishhijo
- Spanishmijo
- English todaymijo
Borrowed from Spanish mijo.
Etymology from Wiktionary, CC BY-SA 4.0.