About: the root word “sept/hept” are taken from the Latin/Greek words “Septem/Hepta” having same meaning “seven”. Literal root sense is always manifested by the derived words but not necessarily in the direct way. Sometimes the meaning in takes a convoluted path to reach its original sense.
Words:
Septenary (noun) - Forming a group of seven
Septennial (adjective) - Occurring every seven years/ lasting for or relating to a period of seven years.
Septet (noun) - A group of seven people playing music or singing together.
Heptamerous (adjective) - Consisting of or divided into seven parts.
Heptad (noun) - A group or set of seven.
Heptagon (noun) - A polygon having seven angles and seven sides.
Septuagenariun (noun) - A person who is between 70 and 79 years old.
Heptarchy (noun) - Government of seven persons.
Heptathlon (noun) - An athletic contest with seven events.
Septule (noun) - Consisting of seven parts or elements.
September (noun) - The ninth month of the year, in the northern hemisphere usually considered the first month of autumn (being originally the seventh month of the Roman year.)