French trois

← Old French trois (inherited)

← Old French treis (mention)

← Proto-Indo-European *tréyes (inherited)

← Proto-Italic *trēs (inherited)

← Latin trēs (inherited)

→ English ménage à quatre (mention)

→ English trois point (mention)

→ Old English þri (cognate)

→ Seychellois Creole trwa (derived)

→ Persian سه (cognate)

→ French troisième (suffix)

→ French tois (mention)

→ French Trois-Rivières (mention)

→ Haitian Creole twa (derived)

→ Ido tri (derived)

→ Louisiana Creole French trò (inherited)

→ Mauritian Creole trwa (derived)

→ Piedmontese tre (cognate)