Where does “подозирам” come from?

подозирам (Bulgarian) comes from Bulgarian до-, from Old Church Slavonic до-, from Proto-Slavic dȍ, from Proto-Indo-European de — Emphatic or contrastive particle, and, but;...

подозирам (Bulgarian): to suspect

Definitions

to suspect

Ancestry of “подозирам”, step by step

Step	Language	Word	Meaning
1	Bulgarian	до-	up to, until, ad
2	Old Church Slavonic	до-	up to
3	Proto-Slavic	dȍ	up to, until
4	Proto-Indo-European	de	Emphatic or contrastive particle, and, but;...

Every word from Proto-Indo-European de →Every word from Proto-Slavic dȍ →Every word from Bulgarian до- →