Old Norse ǫsp

← Proto-Germanic *aspō (inherited)

→ Faroese øsp (derived)

→ Icelandic ösp (inherited)

→ Latvian apse (cognate)

→ Norwegian Bokmål asp (inherited)

→ Norwegian Bokmål osp (derived)

→ Norwegian Nynorsk osp (inherited)

→ Swedish asp (inherited)