←
Proto-Germanic *alu (inherited)
←
Old Swedish öl (inherited)
←
Proto-Indo-European *h₂elut- (inherited)
←
Proto-Indo-European *h₂elu- (mention)
←
Old Norse ǫl (inherited)
→
Old English ealu (cognate)
→
Old Saxon alo (cognate)
→
Swedish fatöl (compound)