Proto-IE: *nā, *nē, *nay, *ne
Meaning: part. (interj.)
Old Indian: nā́nā 'differently, variously'; { na 'gleichsam, wie' }
Avestan: kas-na 'wer denn', čiɵǝ-nā zur Einleitung eiber Frage; yaɵa-nā̆ 'wie, gerade wie', yaɵ-na 'und zwar'
Old Greek: nḗ 'fürwahr', nái̯ 'ds.'; egṓ-nē, tǖ́-nē; thess tó-ne 'tóde'
Latin: nē, nae 'fürwahr', nam 'denn, nämlich', nempe 'denn doch, doch ja, allerdings, natürlich'; enim 'denn, natürlich'; ego-ne, tu-ne, quandō-ne, quīn 'irgendwie', dēnique, sīne; quidne
Other Italic: Osk íním, inim 'et'
References: WP II 336 f
piet-meaning,piet-ind,piet-avest,piet-greek,piet-slav,piet-balt,piet-germ,piet-lat,piet-ital,piet-refer,