Where does “Abrahamson” come from?

Abrahamson (English) comes from English Sơn, from Middle English sone, from Old English sōna, from Proto-West Germanic sān(ō), from Proto-Germanic sēna, from Proto-Germanic *sa, from Proto-Austronesian *əsa, from Proto-Oceanic *isa.

Ancestry of “Abrahamson”, step by step

Abrahamson traces back through two separate lines of ancestry.

via English Sơn

StepLanguageWordMeaning
1EnglishSơn
2Middle Englishsoneson; soon; Alternative form of sonne
3Old Englishsōnaimmediately, at once
4Proto-West Germanicsān(ō)immediately
5Proto-Germanicsēna
6Proto-Germanic*sa
7Proto-Austronesian*əsa
8Proto-Oceanic*isa

via English abraham

StepLanguageWordMeaning
1EnglishabrahamA prophet in the Old Testament, Qur'an and Aqdas; a Semitic patriarch son of Terah who practiced monotheism, father of the Jewish patriarch Isaac by Sarah and the Arab patriarch Ishmael by Hagar
2Middle EnglishAbraham
3Old EnglishAbraham
4LatinĀbrahām
5Ancient GreekἈβραάμ
6HebrewאַבְרָהָםAbraham
Every word from Proto-Oceanic *isa