Where does “mì-shìobhalta” come from?

mì-shìobhalta (Scottish Gaelic) comes from Scottish Gaelic sìobhalta, from Middle Irish síbíalta, from Middle English civil, from Old French civil, from Latin cīvīlis, from Latin -ilis, from Proto-Italic -elis, from Proto-Indo-European -elis — Forms agent nouns from verbal roots.

mì-shìobhalta (Scottish Gaelic): impolite, rude; uncivil