Keychain
Keyhole
Keyboard
House key
Door key
Keystone
Keynote
That is called an acronym. It is a word formed from the initial letters of a multi-word name or phrase.
The word "phraseology" has the root word "phrase" in it.
'Bastien' is a French first name. It has no meaning as a word.
If you mean abbreviate, it is to shorten a word or phrase by omitting letters, as in NW for North West of ft for feet or foot
A descriptive word or phrase added to or substituted for a person's name is called a nickname. It is often used to reflect a specific characteristic, personality trait, or quality of the individual. Nicknames can be endearing, humorous, or symbolic in nature.
Less than
Echoing a key phrase or word
Echoing is a key phrase or word is a way to establish a firm connection. You can find more general business terminology on internet.
Sypher means key word or phrase and riddle or a puzzle
The word could be crux, focus, essence, or core.
lemma
To seek attention to that phrase or word
The phrase "Aya Matsuura" is a name. More specifically, it is the name of a Japanese pop singer. Her name is not known to have any translation into an English word or phrase.
keyword is a single word may be it organic or inorganic but when it comes with bunch as two or three words it is called as key Phrase. If you wish to target for specific product or Article or website you should have to use key phrase to get better ranking in SE and relevant users.
Como te llamas? What is your name. Me llamo ... My ñame is
That is called an acronym. It is a word formed from the initial letters of a multi-word name or phrase.
Such a word or phrase is called a palindrome.