robur

Etymology
From earlier (with change of nominative after the pattern of ), from, from , named for its reddish hardwood and thus cognate to.

Noun

 * 1) an oak tree
 * 2) hardness
 * 3) strength
 * 4) stronghold
 * 1) stronghold
 * 1) stronghold
 * 1) stronghold
 * 1) stronghold

Declension

 * Note: an oblique stem was advocated by some grammarians, such as Gnipho.