Icelandic sumar

← Proto-Germanic *sumaraz (inherited)

← Old Norse sumar (inherited)

← Old Norse sumarr (mention)

→ English summer (cognate)

→ Alemannic German summer (cognate)

→ Alemannic German Summer (cognate)

→ Alemannic German sòmmer (cognate)

→ Alemannic German ŝchummer (cognate)

→ Alemannic German ŝchumer (cognate)

→ Icelandic sumur (mention)

→ Icelandic sumarhnoðri (affix)

→ Luxembourgish Summer (cognate)