expression
I'm home!; I'm back!
A set phrase said when returning home, often in response to おかえりなさい. The ただいま part can be used alone with the same meaning.
See also: ただいま
玄関を開けて、「ただいま帰りました」と言った。
I opened the front door and said, "I'm home!"
「ただいま帰りました!」「おかえりなさい。」
"I'm back!" "Welcome home."
A fixed expression combining ただいま ('just now') and the polite past form of 帰る ('to return'), literally 'I have just now returned'.