thơ

Etymology 1
Likely from. Doublet of sơ.

Its initial ‹th-› possibly results from the same phonological change which yields ‹s-› vs. ‹th-› doublets like SV readings sái and thái from Middle Chinese as well as  and, etc.

Adjective

 * 1) young, tender

Etymology 2
.

Noun

 * 1) poetry


 * 1) a poem