Where does “Ribatejo” come from?

Ribatejo (Portuguese) comes from Portuguese riba, from Latin rīpa, from Proto-Italic reipā, from Proto-Indo-European h₁réyp-eh₂.

Ancestry of “Ribatejo”, step by step

Ribatejo traces back through two separate lines of ancestry.

via Portuguese riba

StepLanguageWordMeaning
1Portugueseribahigh, steep bank
2Latinrīpabank (of a river)
3Proto-Italicreipāriver bank
4Proto-Indo-Europeanh₁réyp-eh₂—

via Portuguese Tejo

StepLanguageWordMeaning
1PortugueseTejoTagus
2Old PortugueseTejo—
3LatinTagus—
Every word from Proto-Indo-European h₁réyp-eh₂ →Every word from Proto-Italic reipā →Every word from Latin rīpa →
Ribatejo — Etymology, Origin & Word History | Etymology Explorer