Lineage, Bloodline, Blood Relationship
noun
Blood flows through your veins, carrying the stories of your lineage, your bloodline. Note that this word is quite formal and literary.
けつみゃく
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
我々の血脈を絶やさせるべきではない。
We shouldn’t allow our bloodline to die out.
これからも、一族の血脈をしっかり保っていかなければならない。
We must continue to preserve our family's bloodline in the future.
この血脈を引く女性が東京のどこかにいるという情報が入った。
We received information that a woman who bears this bloodline is somewhere in Tokyo.