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セイケイ
Meanings
Noun
1. legitimate line; direct descent
Alt. forms
正
せい
系
けい
セイケイ
Pitch accent
セ
イケイ
Composed of
セイ
(logical) true; regular; 10^40; ten thousand undecillion; original; positive
ケイ
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series