日本語
itasu
to do (humble form)
[itasu]…is a humble (honorific expression) equivalent of "suru".
しせつあんないは わたしが いたします。
I shall be guiding you around the facilities.
suru
する
to do
いらっしゃい
Welcome (said to someone who is visiting)
いらっしゃる
to come (honorific form)
to be (honorific form)
to go (honorific form)
うかがう
to go and visit ; to call on