←
Old English storm (cognate)
←
English storm (cognate)
←
Ancient Greek ὁρμή (cognate)
←
Proto-Indo-Iranian *sármas (inherited)
←
Proto-Indo-Aryan *sármas (inherited)
←
Proto-Indo-European *sórmos (inherited)
←
Proto-Indo-European *ser- (mention)
→
Ancient Greek ὁρμή (cognate)