From Wiktionary, the free dictionary
Morphologically from пяле (päle, “half”) + -ва (-va, “[prolative]”).
пялева • (päleva)
- indefinite singular prolative of пяле (päle)
пялева • (päleva)
- in half
- V. I. Ščankina (2011) Russko-mokšansko-erzjanskij slovarʹ [Russian-Moksha-Erzya Dictionary], Saransk, →ISBN
наполовину — пялева, пялес- napolovinu — päleva, päles
- in half [in Russian] — in half