Where does “Oosterflank” come from?

Oosterflank (Dutch) comes from Dutch flank, from French flanc, from Middle French flanc, from Old French flanc, from Frankish hlanca, from Proto-Germanic hlankaz, from Proto-Indo-European kleng- — to turn, bend; to bend, turn, wind, twist.

Ancestry of “Oosterflank”, step by step

StepLanguageWordMeaning
1Dutchflankside, flank
2Frenchflancside (of person); side, flank (of animal)
3Middle Frenchflanc—
4Old Frenchflancside; flank
5Frankishhlanca—
6Proto-Germanichlankazflexible; bendsome; slim; slender; sleek
7Proto-Indo-Europeankleng-to turn, bend; to bend, turn, wind, twist
Every word from Proto-Indo-European kleng- →Every word from Proto-Germanic hlankaz →Every word from Frankish hlanca →