IPA: /ˈæp.tɪ.tjuːd/
KK: /ˈæp.tɪ.tjuːd/
A natural skill or talent that makes it easier for someone to learn or do something.
She has a great aptitude for mathematics and quickly understands complex problems.
Aptitude → It is formed from "aptus" (meaning fit or suitable) and the suffix "-tude" (indicating a state or condition). The word "aptitude" refers to the state of being suitable or fit for a particular task or skill.
Think of being 'fit' or 'suitable' for something — that's what aptitude means, the condition of being well-suited for a task.