munus

Etymology
From.

Like, it is derived from , from. As is the case with such derivatives as "municipality", and "immunity", the concept of trading goods and services in a way that conforms to a society's laws is quite pertinent to this term. From the addition of the "com-" prefix came, which is cognate to 🇨🇬.

The semantic shift to 'gift' is explained by Sextus Pompeius Festus thus:

Noun

 * 1) a service, office, employment
 * 2) a burden, duty, obligation
 * 3) a service, favor
 * 4) a spectacle, public show
 * 5)  a public building made at the expense of an individual
 * 6) * c. 81 , Martial, Dē Spectāculīs 2.7–8:
 * Hīc ubi mīrāmur vēlōcia mūnera thermās,    abstulerat miserīs tēcta superbus ager.
 * Here where we wonder at the speedy public building of a bath,    a vain tract of land had taken the houses away from the poor.
 * 1) a gift
 * Hīc ubi mīrāmur vēlōcia mūnera thermās,    abstulerat miserīs tēcta superbus ager.
 * Here where we wonder at the speedy public building of a bath,    a vain tract of land had taken the houses away from the poor.
 * 1) a gift