aevum, evum; etern-; aeternus

(Latin: age; space of time, ever, always; eternity)

Ab aeterno (Latin phrase)
Translation: "Since the beginning of time."

The audience was reminded that ab aeterno hawks have nested on the cliffs near the lake.

Literally, "from eternity" or "of no date of origin".

aeon, eon (s) (noun); aeons; eons (pl)
1. An exceptionally long period of time; thousands of years ago: It seemed aeons ago, but it was only the day before yesterday that Mr. White experienced such happiness.
2. In geology, a significant division of time: Dr. Green talked about the eons of geological history in Tom's geography class.
age (s) (noun), ages (pl)
1. The condition of being old: The jacket Alice wore for gardening showed many signs of age.
2. The number of years, months, days, etc. that a person has lived: Tony asked his friend if he were the same age as Greg.
3. One of the periods of life: When Mrs. Thompson reached middle age, she noticed that she couldn't run as fast as she could when she was younger.
4. An important period of time in the Earth's history: The Bronze Age or the Iron Age are two examples of great periods in the history of the Earth.
5. A generation: In their town there was a large complex with three ages living in it, grandparents, parents, and children!
5. The later stage of life: Mary asked her grandfather, "Does wisdom automatically come with age?"
6. A long time: It seemed like ages when Max waited for the bus to come.
aged (adjective), more aged, further aged; most aged, furthest aged
1. Relating to how old an animal or a person is: The aged cat, Blacky, had lived 20 long years!
2. Concerning signs of maturity: Mary's grandfather had many aged wrinkles in his face and neck.
3. Descriptive of something which has obtained quality with time: The couple enjoyed the delicious and aged wine and cheese in the picturesque little town in Italy.
aye (adverb) (not comparable)
1. An outdated term for ever; always; for an unlimited period of time: Sam tended to the sick cow aye into the hours of the night.
2. Relating to how an affirmative answer is given; yes: Adam answered his father, "Aye, aye, sir!"
coetaneous (adjective), more coetaneous, most coetaneous
Referring to people or things of the same age; concerning the same duration or period; coeval: Stella's friend and her sister were born on the same day, so they had coetaneous birthdays!

In the book Mark was reading, there were many nations that fought coetaneous wars.

coeternal (adjective) (not comparable)
Descriptive of the eternal existence of being together; eternally equal or jointly eternal: Jane thought that the everlasting coeternal entity in heaven would be the best topic to write about.
coeternally (adverb), more coeternally, most coeternally
Referring to how something takes place jointly or equally without a beginning or end: Many people believe that God and Jesus exist coeternally in heaven.
coeval (adjective) (not comparable)
Descriptive of something of the same age or antiquity: The old school clock was coeval with the one in the museum, so it had to be quite valuable!
coeval, coaeval (s) (noun); coevals; coaevals (pl)
1. Someone or something originating or existing during the same time: The ongoing war was coeval with acute inflation in many countries.
2. Another person of the same era or period; a contemporary: A coeval of Mrs. Smith taught at the same school as she did and taught there the same length of time as well.
3. Etymology: from Latin coaevus which comes from co-, "jointly, in common" + aevum, "age".
coevally (adverb), more coevally, most coevally
Pertaining to how something is done to achieve or obtain the same age or date of origin: Like many of his friends, Jim was striving to coevally get the best education possible for the future.
eternal (adjective) (not comparable)
1. Referring to something that lasts forever; without ending: Most children think their parents will live an eternal life and never pass away or die.
2. Regarding a thing that is constant or ceaseless: Many people believe in an eternal life after death.
3. An old-fashioned term, concerning a person or thing that is extremely great or bad (to intensify a noun): The crook in town, who was still on the loose and not yet found by the police, was considered to be an eternal crook!
4. Etymology: from Old French eternal, from Late Latin aeternalis, from Latin æternus contraction of aeviternus, "of great age", from ævum, "age".
eternally (adverb) (not comparable)
1. Concerning how something is everlasting; forever: Some women try to have the appearance of looking eternally young bu dying their hair so that it never turns gray with age!
2. Referring to how something never seems to end: unceasingly: Sharon is eternally amazed at how foolish some people are!
eternity (s) (noun) (no pl)
1. The condition of apparently limitless or endless time: When the couple traveled from Marburg to Berlin, there seemed to be an eternity of delays caused by innumerable construction sites on the freeway.
2. The status of immortality: Jane's mother had passed away the year before and was in the realm of eternity.
3. An existence that never ends: Since Mary knew that plants and animals died, she thought that rocks, stones, and boulders would be extant on Earth into eternity.
eval (adjective), more eval, most eval
Relating to time, duration, or to an age: The elderly Mrs. Smith said she was of an eval generation and could still live alone in her house if she wanted to!