จง
jongauxiliary verb
must
Meanings
every sense kept, sourced — never invented1
mustlexitron
2
have to; shouldlexitron
3adv.
intentionally; deliberately(in-compounds)wiktionary
4v.
to wish; to intend; to want; to desire(in-compounds)wiktionary
5ptcl.
used to indicate a command, requirement, request, or wish, sometimes used as an auxiliary verb for such purposewiktionary
Built from
Borrowed from Middle Khmer ចង (caṅa, “to desire; to want; to wish”). Cognate with Modern Khmer ចង់ (cɑng). Extended as Middle Khmer បញ្ចង (pañcaṅa), from which Thai บรรจง was derived, corresponding to Modern Khmer បញ្ចង់ (bɑɑbɑñcɑng); and as Khmer ចំណង (cɑmnɑɑng), from which Thai จำนง (jam-nong) was derived. Compare Lao ຈົງ (chong), ຈົ່ງ (chong); Northern Thai ᨧᩩ᩵ᨦ; Lü ᦈᦳᧂᧈ (ṫsung¹).
A note on usage
เป็นคำช่วยกริยาบอกความบังคับหรือความหวัง