septennially
septennium
septentrion
Originally,
septem triones, the seven stars of the constellation
Ursa Major, the "Great Bear", from
septem, "seven" and
triones, "a team of three-plow oxen".
These are the principal stars of the "Great Bear" which is located in the region of the north celestial pole and are more commonly perceived as the "Big Dipper".
septentrional
septet
septicentennial
septifarious
Turned in seven different ways or directions.
septigravida
A woman who is pregnant for the seventh time.
septilateral
septillion
septipara
septipedalian
septivalence
septivalent
septophobia
An excessive fear of decaying matter.