การยุบ

gaan yúp[ กาน ยุบ ]

Often heard

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In a nutshell

The caving-in and collapsing down of it — subsidence.

Noun
collapse,falling down,subsidence
Components2
การgaan
It's a prefix which converts a verb or adjective into an verbal noun.
ยุบyúp
to cave in,sink in,collapse