principal eclipseとは 意味・読み方・使い方

Their crime was later pardoned, and Takaie's son FUJIWARA no Tsunesuke rose as far as Shonii (Senior Second Rank) at court, holding the position of Dainagon (Chief Counselor), but the lineage of Michitaka's younger brother Michinaga became the principal heir's lineage in the Northern House of Fujiwara clan, securing hereditary control over the positions of Sessho (Regent) and Kanpaku (Chief Advisor) and thus sending Michitaka's descendants into a long age of eclipse and misfortune.発音を聞く 例文帳に追加

後に罪を許され、隆家の子の藤原経輔は正二位大納言まで昇進したが、道隆の弟の道長の子孫が藤原北家の嫡流となり摂政・関白を世襲していったため、道隆の子孫はしばらく不遇の時代を送ることになる。 - Wikipedia日英京都関連文書対訳コーパス