IPA: //səˈpɜːrvəˌsɔːri//
KK: /səˈpɜrvəˌsɔri/
Related to the role or responsibilities of a supervisor, often involving overseeing or managing others.
She has a supervisory role in the project, ensuring that all tasks are completed on time.
Supervisory → It is formed from "super-" (meaning over or above) and "videre" (meaning to see). The word "supervisory" refers to the act of overseeing or watching over something or someone.
Think of someone who is 'overseeing' ('super-') and 'seeing' ('videre') what is happening — that's why supervisory means related to overseeing.