sandhi viched of 'बौध्दिक'

bodh+ik

Actually it is basically said as 
Boddh (Mool Shabd) ; and 

Ik(Pratyay)

so it is better if u consider it as A Pratyay

bodh+ik

srry tat was rong the right 1 is buddhi + ik

baudh + ik= baudhik...nd i am sure bout dis....;-))))

baud =ik