An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

1) A definite piece of work required to be done as a duty or routine job.
2) A matter of considerable labor or difficulty.
3) In computer programming, a basic unit of programming that an → operating system controls.

M.E., from M.L. tasca, metathetic variant of taxa "tax," from taxare "evaluate, estimate, handle," also "censure, charge."

Taš, created from Proto-Ir. root *taš- "to make, construct; to cut;" cf. Av. tāš- "to make, construct; to cut;" O.Pers. (ham)taxš- "to work with, effect;" Mid.Pers. tâš- "to cut, cleave; create;" Mod.Pers. taš, tišé "hatchet, axe, adze," tarâšidan "to shave;" Ossetic I. dasyn/dast "to shave;" Munji tiž-, Yidgha tiž- "to shear;" Pash. toq "to shave;" cf. Skt. taks- "to form (by cutting), to build, prepare;" Gk. tekton "carpenter."

A → software → utility that enables a → user to view each of the tasks currently running on the → computer, each of the → processes, and the overall performance of the computer.

→ task; → manager.