توسط

Verb

 * 1) to be in the middle or moderate
 * 2) to intermediate, to mediate

Etymology 2
of.

Noun

 * 1) moderation, moderateness
 * 2) mediation, intermediation agency
 * 3) intermediateness
 * 1) mediation, intermediation agency
 * 2) intermediateness
 * 1) intermediateness

Etymology
. The preposition is short for.

Noun

 * 1) intermediation, intercession
 * 2) intermediary

Preposition

 * 1) by, through