Reconstruction:Proto-Indo-European/gʰrendʰ-

Root

 * 1) beam, plank

Derived terms

 * *gʰrendʰ-is
 * *gʰrondʰ-(e)h₂
 * (perhaps a backformation from )
 * *gʰrondʰ-il-os
 * *gʰrn̥dʰ-éh₂
 * *gʰrondʰ-(e)h₂
 * (perhaps a backformation from )
 * *gʰrondʰ-il-os
 * *gʰrn̥dʰ-éh₂
 * (perhaps a backformation from )
 * *gʰrondʰ-il-os
 * *gʰrn̥dʰ-éh₂
 * *gʰrondʰ-il-os
 * *gʰrn̥dʰ-éh₂
 * *gʰrn̥dʰ-éh₂
 * *gʰrn̥dʰ-éh₂

Etymology 2
Proposed to be a nasal-infixed dental extension of, or suffixed from as in 🇨🇬.

Root

 * 1) to grind, rub
 * 2) granule, particle, grain (of sand)
 * 3) lump, mass

Reconstruction notes
Given the variety of conflicting reconstructions and fairly wide semantic range, existence of this root is uncertain.

Derived terms