Latin retentio

← Latin retineō (affix)

← Latin -tiō (affix)

→ Spanish retención (borrowed)

→ French rétention (borrowed)

→ Old French retencion (borrowed)

→ Italian ritenzione (borrowed)

→ Norwegian Bokmål retensjon (derived)

→ Dutch retentie (derived)

→ Norwegian Nynorsk retensjon (derived)

→ Portuguese retenção (borrowed)