also: Reconstruction:Proto-Indo-European/h₂énteros *énteros From *h₁en (“in”) + *-teros (contrastive suffix). *h₁énteros inside, within Proto-Armenian:...
*ánteros Perhaps related to *h₂en-, *h₂ent-. *h₂énteros second, other *h₂élteros Proto-Balto-Slavic: *ántaras Latgalian: ūtrs, ūtrys Latvian: ùotrs, uotars...