Dictionary / Vocabulary / お先に
おさきに
before; previously; ahead; pardon me for leaving (before you)
JLPT N1 common word
「お先に失礼しま~す」「お、なんだ、また定時上がりかよ」
"Bye, see you tomorrow." "Oh, what's this? Leaving on the dot again?"
どうぞ、お先に!
Go ahead.