West Frisian simmer

← Proto-Germanic *sumaraz (inherited)

← Old Frisian sumur (inherited)

← Old Frisian sumer (mention)

→ English summer (cognate)

→ German Sommer (cognate)

→ West Frisian simmermoanne (compound)

→ Alemannic German summer (cognate)

→ Alemannic German Summer (cognate)

→ Alemannic German sòmmer (cognate)

→ Alemannic German ŝchummer (cognate)

→ Alemannic German ŝchumer (cognate)

→ Luxembourgish Summer (cognate)