Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Germanic *arhwō

→ English arrow (inherited)
→ Old English earh (inherited)
→ Middle English arow (inherited)
→ Faroese ørv (inherited)
→ Faroese ørvur (inherited)
→ Gothic 𐌰𐍂𐍈𐌰𐌶𐌽𐌰 (derived)
→ Icelandic ör (derived)
→ Old Norse ǫr (inherited)