This is the 76th most frequent Marathi word.
एकद
"Once" or "at some point."
In this sentence, 'एकद' (once) is used to denote a single occurrence in the past.
ती एकद आलेली होती.
She had come once.
Here, 'एकद' (once) implies the initiation of an action or event.
एकद का आपण चालायला लागलो तर थांबत नाही.
Once we start walking, we don't stop.
In this context, 'एकद' (once) indicates a rare or singular occasion of an event happening.