Parashas Shemos · Passuk 4:19
Chabad.org — English translation + Rashi
Torah Temimah points to Nedarim 65a (verified).
Sefaria — Exodus 4:19
Sefaria — Nedarim 65a
E-Daf — Nedarim 65a
English: ““For they have died” — Resh Lakish explained: they had become impoverished. The people seeking Moses were Dathan and Abiram, who were reduced in their property and therefore were considered as though dead.”
On the daf / in context: See the cited source for the full section.
Talmudic interpretation of “death” as loss of wealth
Chazal identify the men seeking Moses as Dathan and Abiram and explain that their “death” meant their loss of wealth; poverty is described as a condition comparable to death.