←
Old English ealu (cognate)
←
Old English alu (mention)
←
Proto-Indo-European *h₂elut- (inherited)
←
Lithuanian alùs (cognate)
←
Old East Slavic олъ (cognate)
←
Old Prussian - (cognate)
←
Old Prussian alu (cognate)
→
Lithuanian alus (cognate)
→
Latgalian ols (cognate)