He got in on the ground floor of the new startup company.
সে নতুন স্টার্টআপ কোম্পানিটির একদম শুরুর দিকেই যুক্ত হয়েছিল।
COLLOCATIONS
ground-floor apartment, ground-floor flat, ground-floor opportunity
WORD FORMSPlural: ground-floorsUSAGE NOTES
In British English, 'ground floor' is the level at street height. In American English, this is typically called the 'first floor'.