Quondam and Time was

Quondam adjective - Having been such at some previous time.

Time was and quondam are semantically related In some cases you can use "Time was" instead the word "Quondam" as an adverb or an adjective.

Quondam and time was are semantically related in olden topic. You can use "Quondam" instead the phrase "Time was" as an adjective or an adverb, if it concerns topics such as in the past.