Where does “Softail” come from?

Softail (English) comes from English soft, from Middle English softe, from Old English sōfte, from Proto-West Germanic samftō, from Proto-West Germanic -ō, from Proto-Germanic -ô, from Proto-Indo-European -ō — Derives nouns from roots.

Softail (English): A bicycle or motorcycle featuring a hidden rear...

Definitions

  1. A bicycle or motorcycle featuring a hidden rear...

Ancestry of “Softail”, step by step

Softail traces back through two separate lines of ancestry.

via English soft

StepLanguageWordMeaning
1EnglishsoftEasily giving way under pressure; Smooth and...
2Middle Englishsoftesoft
3Old Englishsōftesoftly
4Proto-West Germanicsamftōsoftly, gently
5Proto-West Germanic-ōCreates adverbs from adjectives; Creates agent...
6Proto-Germanic-ô-ly; Forms agent nouns, often from the zero-grade...
7Proto-Indo-European-ōDerives nouns from roots

via English Tail

StepLanguageWordMeaning
1EnglishTailA Chinese constellation coinciding with the tail of Scorpius, one of the 28 lunar mansions and the tail of Azure Dragon
2Middle EnglishtaylA tail; The back side or reverse of a creature; A...
3Old Englishtæġltail
4Proto-Germanictagląhair; ponytail; hair of a tail; tail
5Proto-Indo-Europeandoḱ-hair of the tail
6Proto-Indo-Europeandeḱ-take; perceive
Every word from Proto-Indo-European -ō →Every word from Proto-Germanic -ô →Every word from Proto-West Germanic -ō →