ădesdum or ădes dum (imper. from adsum with dum; cf.: agedum, manedum, etc., v. dum),
come hither : Sosia, adesdum; paucis te volo, Ter. And. 29.
adesdum better ades dum (imper.of adsum with dum), come to me, stand by me (once), T. ...
An Elementary Latin Dictionary