Where does “unscrewable” come from?

unscrewable (English) comes from English unscrew, from English Un-, from English still, from Old English stillan, from Proto-West Germanic stillijan, from Proto-West Germanic -jan, from Proto-Germanic -janą, from Proto-Indo-European -yéti — he, she.

unscrewable (English): That can be unscrewed; That cannot be screwed

Definitions

  1. That can be unscrewed; That cannot be screwed

Ancestry of “unscrewable”, step by step

unscrewable traces back through 3 separate lines of ancestry.

via English unscrew

StepLanguageWordMeaning
1EnglishunscrewTo loosen a screw or thing by turning it
2EnglishUn-not
3EnglishstillNot moving; calm; Not effervescing; not...
4Old Englishstillanbecome calm, abate, subside; calm, pacify,...
5Proto-West Germanicstillijanto make still, quiet
6Proto-West Germanic-janCreates denominative verbs from nouns; Creates...
7Proto-Germanic-janąDerives denominatives from nouns and factitives...
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she

via English screwable

StepLanguageWordMeaning
1EnglishscrewableThat can be screwed; Suitable or desirable for...
2EnglishableEasy to use; Suitable; competent; Liable to
3Middle Englishablecapable, expert, qualified, skilful, competent
4Old Frenchableable; capable
5Latinhabilisable to have/possess/maintain; having sufficient...
6Latin-ilis-ile
7Proto-Italic-elis
8Proto-Indo-European-elis
9Proto-Indo-European-lósForms agent nouns from verbal roots

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Chichewa iyeEvery word from Proto-Germanic -janąEvery word from English Un-