The word is length. It means the measurement of something from end to end.
A word that means no beginning and no end is infinite or infinity.
It means there is already an "s" at the end of the word
horrendous
The Latin que added to a word means "and". The word finem is the accusative case of the noun finis which means "the end". So finemque means "and the end"
When "less" is at the end of a word, it often means without or lack of that particular thing. For example, "careless" means without care, "helpless" means lacking help, and "endless" means without an end.
it means a end of a word
There is no single word for that.
The word that rhymes with scorch and means a stick with a fire at one end is "torch."
To cease?
It means "end"
conclusion
buttress