1. At the beginning
   - initially

1. From the beginning

Encyclopedia: Ab initio

• blossom out
• blossoming
• blossomy
• blot
• blot out
• blotch
• blotched
• blotchy
• blotted out
• blotter
• blotting paper
• blotto
• blouse
• bloviate
• blow
• blow a fuse
• blow drier
• blow dryer
• blow gas
• blow hot and cold
• blow me
• blow off
• blow one's stack
• blow out of the water
• blow over