TAKOBOTO

because/since - explains the cause or gives a reason for
Since it was early morning, there wasn't even a dog around.
他でもない〜の(ひと・こと・もの）だから

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なにもしらぬこととて、まちがいをしてしまいました。

Since I did not know anything, I ended up making mistake. . .

みせがせまいこととて、おきゃくさまにはきゅうくつなおもいをさせてもうしわけございません

We deeply regret making our valued customers feel squeezed due to the narrowness of the shop.

なにもしらぬこととて、しつれいをいたしました。

I'm so sorry for my rudeness owing to my ignorance.

ひっこししてきたばかりで、あたりのようすもわからないこととて、どうぞよろしくおねがいいたします。

We hope you can favour us since we have only just moved and we know nothing of the local conditions.

こんかいのてんきんはきゅうなこととて、ゆっくりにあいさつにもうかがえませんでした。

I could not stop by to say hello because the current change of job was so hurried.

なにぶんにもわかいににんのこととて、みなさまのごしどうをよろしくおねがいしであげます。

I ask everyone to kindly provide them with guidance, because , after all the two of them are very young.

Not normally used in speech. A more formal, written word for letters and whatnot. Explains the reason for something with the sense that it is precisely because of (person,thing) that( ).
昼間はにぎやかなこの道も、早朝のこととてあたりに犬一匹いなかった。
Because it was early in the morning, there wasn't even a dog around this street that is so lively during the day.
〜のことだから、〜のことなので [kotodakara]

crlane

Ref # Kanzen Master Level 1 - p20 - no.19

LR

Often used to give reasons for excuses or apologies.

LR