Proto-IE: *apo, *ap-, *pā
Meaning: prep./adv.: from, off; back
Old Indian: ápa 'away, off, back; down'
Avestan: apa 'von-weg'; pa-zdayeitē 'lässt wegrücken, scheucht'
Other Iranian: OPers apa 'von-weg'
Old Greek: apó, dial. apǘ; áps 'zurück, wieder'
Latin: ab 'von', abs; po-situs, pōnō; po-liō, po-lubrum, pōrcet
Other Italic: Umbr ap-ehtre 'ab extra, extrinsecus'
Celtic: OCymr, NCymr o 'ex, ab, de', OCorn, MCorn, OBret, NBret a 'dass.'
Albanian: prapɛ 'wieder, zurück'; pa 'ohne', pa- 'un'
Russ. meaning: от; обратно, снова
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