เสียแล้ว(sĭia láew)

Meanings

1ParticleB2

already (final/regretful tone)

a clause-final particle placed after a verb, adjective, or clause to mark completed action with a nuance of finality, regret, or that it is too late

I was going to call, but the battery has already died.

2VerbB2

[to] pass away (polite)

used after a subject referring to a person to mean that they have died; a polite/euphemistic way to report someone’s death (e.g., คุณพ่อเสียแล้ว)

My grandmother passed away two years ago.

เสียแล้วsĭia láew