Where does “กลศาสตร์” come from?

กลศาสตร์ (Thai) comes from Thai กล, from Pali kula, from Pali samagga, from Pali agga, from Sanskrit अग्र, from Sanskrit अङ्ग्, from Sanskrit इङ्ग् — to agitate.

กลศาสตร์ (Thai): mechanics

Definitions

mechanics

Ancestry of “กลศาสตร์”, step by step

กลศาสตร์ traces back through two separate lines of ancestry.

via Thai กล

Step	Language	Word	Meaning
1	Thai	กล	magic: the art of producing illusions; trick:...
2	Pali	kula	clan, caste, family
3	Pali	samagga	united, being in harmony
4	Pali	agga	highest; top-most
5	Sanskrit	अग्र	foremost, anterior, first, prominent, projecting,...
6	Sanskrit	अङ्ग्	to go
7	Sanskrit	इङ्ग्	to agitate

via Thai ศาสตร์

Step	Language	Word	Meaning
1	Thai	ศาสตร์	science; field or branch of knowledge; -ology
2	Sanskrit	शास्त्र	shastra, scripture; science, knowledge
3	Proto-Indo-Aryan	śāstra	—

Every word from Sanskrit इङ्ग् →Every word from Sanskrit अङ्ग् →Every word from Sanskrit अग्र →