IPA: /ˌæl.əˈbɛt.ɪ.kli/
KK: /ˌæl.əˈbɛt.ɪ.kəl.i/
In a way that follows the order of the letters in the alphabet.
The books on the shelf are organized alphabetically by the author's last name.
Alphabetically → It is formed from "alpha" (the first letter of the Greek alphabet) and "beta" (the second letter of the Greek alphabet), combined with the suffix "-ically" (meaning in a manner relating to). The word refers to arranging items in the order of the letters of the alphabet, starting with 'alpha' and 'beta'.
Think of the first two letters of the Greek alphabet, 'alpha' and 'beta', to remember that 'alphabetically' means arranging things in the order of the alphabet.