This is the 86th most frequent Romanian word.
trecut
"Past."
In this sentence, 'trecut' is used as the past participle of the verb 'a trece', meaning 'to pass'.
Am trecut pe lângă casă ieri.
I passed by the house yesterday.
Here, 'trecut' is a noun meaning 'the past'.
În trecut, oamenii călătoreau cu trăsuri.
In the past, people traveled by carriages.
In this case, 'trecut' is used as the past participle of the verb 'a trece', but it functions like an adjective describing 'time'.