Thaiเข็ญใจ (kěn-jai)To feel miserable/suffer mentally due to poverty.

https://en.m.wiktionary.org/wiki/%E0%B9%80%E0%B8%82%E0%B9%87%E0%B8%8D%E0%B9%83%E0%B8%88 The word is composed of "เข็ญ" (miserable, suffering, difficult, poor) and "ใจ" (a common suffix which indicates states of mind, emotions etc) and describes a grief-like state somebody is in due to hardships, especially in terms of finance. It can be used as adjective, verb and noun even though it's somehow idiomatic, just like Wiktionary states.