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Old English on (inherited)
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Old English an (mention)
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Middle Dutch an (cognate)
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Middle Dutch on (mention)
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Middle English on (inherited)
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North Frisian a (cognate)
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North Frisian on (cognate)
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West Frisian oan (cognate)
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Proto-Germanic *ana (inherited)
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Proto-Germanic *ēnu (derived)
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Proto-Germanic *ēno (mention)
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Proto-Germanic *ino (mention)
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Proto-Germanic *ana (inherited(en/enm))
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Middle Low German āne (cognate)
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Ancient Greek ἀνά (cognate)
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Ancient Greek ἄνευ (cognate)
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Proto-Indo-European *h₂en- (root)
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Proto-Indo-European *h₂en- (inherited)
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Proto-Indo-European *anew (derived)
→
English upon (compound)
→
English onto (compound)
→
West Frisian oan (cognate)
→
Ancient Greek ἀνά (cognate)
→
Luxembourgish ouni (cognate)
→
Pennsylvania German aa (cognate)
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Portuguese sobre (link)
→
Sranan Tongo tapu (link)