Proto-Indo-European *h₂ri-dʰh₁-mó-s

→ English arithmetic (derived)

→ German arithmetisch (derived)

→ Middle English arsmetrike (derived)

→ Spanish aritmética (derived)

→ Spanish aritmético (derived)

→ French arithmétique (derived)

→ Old French arismetique (derived)

→ Indonesian aritmetika (derived)

→ Italian aritmetico (derived)

→ Italian aritmetica (derived)

→ Latin arithmetica (derived)

→ Latin arithmeticus (derived)

→ Latvian aritmētisks (derived)

→ Latvian aritmētika (derived)

→ Dutch aritmetica (derived)

→ Portuguese aritmética (derived)

→ Portuguese aritmético (derived)