Where does “rackable” come from?

rackable (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.

rackable (English): Capable of being mounted in a rack

Definitions

  1. Capable of being mounted in a rack

Ancestry of “rackable”, step by step

rackable 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 rack

StepLanguageWordMeaning
1EnglishrackA series of one or more shelves, stacked one...
2Old Englishreċċanto stretch, extend; to stretch out, extend
3Proto-West Germanicrakkjanto stretch, to straighten
4Proto-Germanicrakjanąto stretch, to straighten
5Proto-Indo-Europeanh₃roǵéyetito straighten, to make straight, to cause to be...
6Proto-Indo-European-éyetiForms causative imperfective verbs from roots;...
7Proto-Indo-European-yetiCreates transitive imperfective verbs from roots
Every word from Proto-Indo-European -lós