洗塵 (sai2 can4) — to wash off the dust in Cantonese
saiˊ²洗canˎ₄塵简 洗尘
Mandarin Pinyin: xi3 chen2
Meaning of 洗塵
nounto wash off the dust
noungive a welcome dinner to a visitor from afar
nounwelcome dinner for a friend or relative from overseas (spoken)