- The captives were taken away on his order(s).
- The captives were taken away under his order(s).
Dictionaries are vague about the difference between "on his order" and "under his order" and whether "order" should be singular or plural.
differenceprepositionsusage
- The captives were taken away on his order(s).
- The captives were taken away under his order(s).
Dictionaries are vague about the difference between "on his order" and "under his order" and whether "order" should be singular or plural.
Best Answer
On his order (or orders) is an adverbial used to indicate either
the authority by which a specific action is carried out—this may use either the singular order or the plural.
the signal on which an action is to commence—here order is singular.
Under his orders may be used in the same way as #1:
But it also acts as