Where does “Ouderkerk aan de Amstel” come from?

Ouderkerk aan de Amstel (Dutch) comes from Middle Dutch out, from Old Dutch ald, from Proto-West Germanic ald, from Proto-Germanic aldaz, from Proto-Indo-European h₂eltós, from Proto-Indo-European h₂él- — to grow, nourish.

Ancestry of “Ouderkerk aan de Amstel”, step by step

Ouderkerk aan de Amstel traces back through two separate lines of ancestry.

via Middle Dutch out

StepLanguageWordMeaning
1Middle Dutchoutold
2Old Dutchald—
3Proto-West Germanicaldold
4Proto-Germanicaldazold, grown up
5Proto-Indo-Europeanh₂eltós—
6Proto-Indo-Europeanh₂él-to grow, nourish

via Dutch Amstel

StepLanguageWordMeaning
1DutchAmstela poetic metonym for Amsterdam, which lies on the river and is named after it
2Dutchamewater, current
Every word from Proto-Indo-European h₂él- →Every word from Proto-Indo-European h₂eltós →Every word from Proto-Germanic aldaz →