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 *ajją

→ English egg (derived)
→ English ey (inherited)
→ Old English æg (inherited)
→ Danish æg (derived)
→ German Ei (inherited)
→ Middle Dutch ei (inherited)
→ Middle English ei (inherited)
→ Middle English ey (inherited)
→ Middle English egge (derived)
→ Faroese egg (inherited)
→ West Frisian aai (inherited)
→ Crimean Gothic ada (inherited)
→ Westrobothnian aigg (inherited)
→ Old Swedish æg (inherited)
→ Old High German ei (inherited)
→ Icelandic egg (inherited)
→ Luxembourgish Ee (derived)
→ Limburgish ei (inherited)
→ Mòcheno oi (inherited)
→ Norwegian Bokmål egg (inherited)
→ Norwegian Bokmål a-egg (inherited)
→ Norwegian Bokmål A-egg (inherited)
→ Norwegian Bokmål kokt egg (inherited)
→ German Low German Ai (inherited)
→ Dutch ei (inherited)
→ Norwegian Nynorsk egg (inherited)
→ Old Norse egg (inherited)
→ Old Saxon ei (inherited)
→ Pennsylvania German Oi (inherited)
→ Saterland Frisian Oai (derived)
→ Swedish ägg (inherited)
→ Yiddish איי (inherited)