Where does “trailable” come from?

trailable (English) comes from English able, from Middle English able, from Old French able, from Latin habilis, from Latin -ilis, from Proto-Italic -elis, from Proto-Indo-European -elis, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

trailable (English): Of a system of points: arranged so that the train...

Definitions

  1. Of a system of points: arranged so that the train...

Ancestry of “trailable”, step by step

trailable traces back through two separate lines of ancestry.

via English able

StepLanguageWordMeaning
1EnglishableEasy to use; Suitable; competent; Liable to
2Middle Englishablecapable, expert, qualified, skilful, competent
3Old Frenchableable; capable
4Latinhabilisable to have/possess/maintain; having sufficient...
5Latin-ilis-ile
6Proto-Italic-elis
7Proto-Indo-European-elis
8Proto-Indo-European-lósForms agent nouns from verbal roots

via English trail

StepLanguageWordMeaning
1EnglishtrailTo follow behind (someone or something); to tail (someone or something)
2Middle Englishtrailento hang loosely, drag along, drag away
3Old Frenchtraillerto tow; pick up the scent of a quarry
4Vulgar Latintragulareto drag
5Latintrāgulaa javelin or dart having a throwing-strap (āmentum)
Every word from Proto-Indo-European -lós
trailable — Etymology, Origin & Word History | Etymology Explorer