Where does “Lánao del Sur” come from?

Lánao del Sur (Spanish) comes from Spanish sur, from French sud, from Middle French sud, from Old French sud, from Old English sūþ, from Proto-Germanic sunþrą, from Proto-Indo-European sóh₂wl̥ — sun.

Ancestry of “Lánao del Sur”, step by step

Lánao del Sur traces back through 3 separate lines of ancestry.

via Spanish sur

StepLanguageWordMeaning
1Spanishsursouth
2Frenchsudsouth
3Middle Frenchsudsouth
4Old Frenchsudsouth
5Old Englishsūþsouth
6Proto-Germanicsunþrąsouth; south, southward
7Proto-Indo-Europeansóh₂wl̥sun

via Spanish Lánao

StepLanguageWordMeaning
1SpanishLánao—
2Maranaoranawlake
3Proto-Philippine*danaw—
4Proto-Malayo-Polynesiandanawlake
5Proto-Austronesiandanawlake

via Spanish dél

StepLanguageWordMeaning
1Spanishdélof him, from him
Every word from Proto-Indo-European sóh₂wl̥ →Every word from Proto-Germanic sunþrą →Every word from Old English sūþ →