IPA: //ˈtæskˌmɪstrəs//
KK: /ˈtæskˌmɪstrəs/
A woman who assigns tasks, often in a strict or demanding way, making others work hard or follow rules.
The taskmistress ensured that all the projects were completed on time and to a high standard.
Taskmistress → It is formed from "task" (from Middle English *taske*, meaning a piece of work or duty) and "mistress" (from Old French *maistresse*, meaning a woman who has control or authority). The word "taskmistress" refers to a woman who assigns tasks or duties, often in a commanding manner.
Think of a woman who has control ('mistress') over the work ('task') that needs to be done — that's what a taskmistress does.