Where does “unsweepable” come from?

unsweepable (English) comes from English sweepable, from English sweep, from Middle English swepen, from Middle English -els, from Old English -els, from Proto-West Germanic -islī, from Proto-West Germanic -ī, from Proto-Germanic -į̄ — Creates collective nouns, which refer to groups...

unsweepable (English): Of a mine: incapable of being located by...

Definitions

  1. Of a mine: incapable of being located by...

Ancestry of “unsweepable”, step by step

unsweepable traces back through two separate lines of ancestry.

via English sweepable

StepLanguageWordMeaning
1EnglishsweepableSuitable for sweeping; Of a mine: capable of...
2EnglishsweepTo clean by means of a stroking motion of a...
3Middle EnglishswepenTo sweep; to stroke with a broom
4Middle English-elssuffix creating nouns denoting events, instruments, or places from verbs
5Old English-elssuffix creating nouns from verbs
6Proto-West Germanic-islīUsed to form nouns from verbs denoting something...
7Proto-West Germanic-ness, -th
8Proto-Germanic-į̄-th
9Proto-Indo-European-íh₂
10Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -h₂Every word from Proto-Germanic -į̄Every word from Proto-West Germanic