An Etymological Dictionary of Astronomy and Astrophysics

Putting a telescope or an observing instrument into active service after their final construction.

Etymology (EN): From L. commissionem “delegation of business,” from commissus, p.p. of committere “to bring together,” from → com- “together” + mittere “to put, send.”

Etymology (PE): Râhandâzeš, verbal noun from compound verb râhandâxtan “to set in work; to prepare,” from râh “way, path” + andâxtan “to cast; to make, do; to throw.”