From Old Irish asna, esna, from Proto-Celtic, from pre-Celtic *astonyo-, *h₂estnijo, from Proto-Indo-European *h₂óst (gen. *h₂ésts), *h₃ost- ‘bone’ (compare Welsh ais ‘ribs’, Latin os, Albanian asht).
easna f (genitive easna, plural easnacha)
Forms with the definite article
- láreasna (“midrib”)
|Radical||Eclipsis||with h-prothesis||with t-prothesis|
|Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.