English edit

Etymology edit

From Polish Jagiełło (Polonized form of Lithuanian Jogaila) +‎ -n- +‎ -ian.

Adjective edit

Jagiellonian (comparative more Jagiellonian, superlative most Jagiellonian)

  1. (historical) Of or relating to the royal dynasty founded by Jogaila, the Grand Duke of Lithuania, which reigned in several Central European countries between the 14th and 16th centuries.