The roots of 'admit' are 'ad' and 'mittere'. The preposition 'ad' means 'to'. The verb 'mittere' means 'to send'.
mittere
"Mittere".
To send = mittere
In a Latin text, mitte is the singular imperative form of the verb mittere, "to send". It can be translated as the request/command "send!".As a root in an English word, "mitt-" or "mitte-" indicates derivation from mittere or one of its derived forms, such as committere "to send together"; intermittere "to send between", etc.
to send
The word comes from the Latin word mittere meaning to send
mitto, mittere, misi, missus means to send
The root of the word "missionary" is "mission," which comes from the Latin word "missio," meaning "sending." The root of the word "missile" is also "missio," which refers to something that is sent or thrown, like a projectile.
Mit(t)- or mis(s)-, from mitto mittere misi missum.
"Miss" isn't a full Latin word. It's a portion of a principal part of "mitto, mittere, misi, missum," which means "send." "Miss" is the root from which we get the English words "missile" and "mission."
missilemissionpermissionpermit (miss is actually mitto, mittere, missi)