septi-, sept-, septem-

(Latin: seven, seventh; a word element for number 7)

septipedalian
septivalence
septivalent
septuagenarian
1. A person who is in his/her seventies.
2. Someone who is seventy to seventy-nine years old.
septuagenarianism
Seventy years old or seventy to seventy-nine years of age.
septuagenary
1. Consisting of seventy; also, seventy years old.
2. A septuagenarian.
Septuagint
The Greek translation of the Hebrew scriptures, from Latin septem via septuaginta, seventy, for the traditional number of translators.
septuple
septuplet
septuplicate
sesquiseptimal
Of the ratio of 8 to 7, or 1 1/7 to 1.
superseptuagenarian, super-septuagenarian
A person who is seventy to seventy-nine years of age and in extraordinary physical condition.
superseptuagenarianism
VII; septem, septimus
Cardinal: seven, Ordinal: seventh
XVII; septemdecim, septimus decimus
Cardinal: seventeen, Ordinal: seventeenth