The Word is:”here”

here

/hɪə/
adverb
adverb: here

1.in, at, or to this place or position.
“they have lived here most of their lives”
synonyms: at/in this place, at/in this spot, at/in this location More
used when gesturing to indicate the place intended.
“sign here”
used to draw attention to someone or something that has just arrived.
“here’s my brother”
used to indicate one’s role in a particular situation.
“I’m here to help you”
used to refer to existence in the world in general.
“what are we all doing here?”

2.used when introducing something or someone.
“here’s a dish that is quick to make”
used when giving something to someone.
“here’s the money I promised you”

3.used when indicating a time, point, or situation that has arrived or is happening.
“here is your opportunity”
synonyms: now, at this moment, at this point, at this point in time, at this time, at this juncture, at this stage
“here is your opportunity”

exclamation

exclamation: here
1.used to attract someone’s attention.
“here, let me hold it”
2.indicating one’s presence in a roll-call.
Origin

Source credit: Google