IPA: /ɪkˈspɪərɪənst/
KK: /ɪkˈspɪrɪənst/
Having knowledge or skill in a particular area due to having done it for a long time.
She is an experienced teacher who knows how to engage her students.
Experienced → It is formed from "experience" (from Latin "experientia", meaning trial or proof) and the suffix "-ed" (indicating a state or condition). The word "experienced" means having gone through trials or having gained knowledge through practice.
Think of having gone through 'trials' ('experientia') which helps you remember that 'experienced' means someone who has gained knowledge through practice.