Where does “ศัพท์” come from?

ศัพท์ (Thai) comes from Sanskrit शब्द, from Finnish sadas, from Proto-Finnic sadac, from Proto-Slavic *sǫdakъ.

ศัพท์ (Thai): word

Definitions

Step	Language	Word	Meaning
1	Sanskrit	शब्द	sound, noise, voice, tone, note; a word
2	Finnish	sadas	hundredth; Second-person singular imperative...
3	Proto-Finnic	sadac	hundredth
4	Proto-Slavic	*sǫdakъ	—

ศัพท์ — Etymology, Origin & Word History | Etymology Explorer