Hosanna = Save now. Aramaic Hoshi'an-na' = Help now. See App-94. Quoted from Psa_118:25, Psa_118:26. At the later entry (Luk_19:38) the cry was different in words, but similar in intent. For the order of events of these last six days, see App-156.
the Son of David.App-98. The seventh of nine occurances of this title in Matthew. See note on Mat_1:1.