Proto-IE: *aw-
Meaning: to pass the night
Armenian: aganim `übernachte', vair-ag `auf dem Lande lebend', auth `Übernachten, Nachtruhe, Station'
Old Greek: iáu̯ō, aor. iâu̯sai̯ `schlafen, ausruhen, übernachten' {âi̯es = ekoimḗthēs Hsch., ai̯éskonto = ēulízonto Hsch. - nowhere found!}
Russ. meaning: ночевать
References: WP I 19