terminus a quo vs kickoff

terminus a quo and kickoff both are nouns.

Word	Noun	Adjective	Verb	Adverb
terminus a quo	Yes	No	No	No
kickoff	Yes	No	No	No

As nouns, kickoff is a hypernym of terminus a quo; that is, kickoff is a word with a broader meaning than terminus a quo:

Other hypernyms of terminus a quo include beginning, commencement, first, get-go, offset, outset, showtime, start, starting time.

terminus a quo (noun)	kickoff (noun)
earliest limiting point	(football) a kick from the center of the field to start a football game or to resume it after a score
	a start given to contestants
	the time at which something is supposed to begin