This is the 895th most frequent Bulgarian word.
су
The Bulgarian word "су" is an abbreviation for "средно училище," meaning "secondary school" in English.
Here, 'су' is a poetic or dialectic abbreviation of 'със', meaning 'with' or 'near' in certain Bulgarian dialects.
Су това дърво има гнездо на птици.
Under this tree, there is a bird's nest.
'Су' functions as a descriptive preposition, akin to 'on' or 'over', used poetically or dialectically.
Су водата проблясваше лунния светеж.
The lunar glow glimmered on the water.
'Су' here serves as an old literary preposition meaning 'around' or 'near', used in traditional or stylistic language forms.