Etymology.
Started
It means 'began'; thosaigh sí (she began).
There is no single word for that.
The word began is the past tense of "begin." It is not used as a preposition.
It is the past participle of the verb "empezar", and means "began".
The mountain was shrouded in mist as we began our hike.
The word "began" has two syllables.
Began is a verb. It is the past tense of begin.
I never heard this word "BEGAN". Check your spelling or a different word.
There are two syllables in the word began like so: be-gan.
began in plural
L'origin means when something began. It's the same definition as with the English word "origin," and roughly translates into "the origin" or the beginning.