expression, conjunction
for some reason like ...; because ... or something like that
Used to give an uncertain or vague reason, often based on hearsay or a guess. Attaches to nouns, verbs, adjectives, or clauses. The reason is presented as one possibility among others.
彼は風邪を引いたとかで、今日は休みだ。
He's off today, apparently because he caught a cold or something.
電車が遅れているとかで、まだ着かない。
The train is delayed or something, so they haven't arrived yet.