Where does “स्नायुशास्त्र” come from?

स्नायुशास्त्र (Hindi) comes from Hindi स्नायु, from Sanskrit स्नायु, from Sanskrit *स्नारु, from Proto-Indo-Aryan snáHwar, from Proto-Indo-European snéh₁wr̥, from Proto-Indo-European (s)neh₁- — to spin (thread), to sew.

स्नायुशास्त्र (Hindi): neurology

Definitions

neurology

Ancestry of “स्नायुशास्त्र”, step by step

स्नायुशास्त्र traces back through two separate lines of ancestry.

via Hindi स्नायु

Step	Language	Word	Meaning
1	Hindi	स्नायु	ligament
2	Sanskrit	स्नायु	sinew, tendon; nerve, vein; ligament
3	Sanskrit	*स्नारु	—
4	Proto-Indo-Aryan	snáHwar	—
5	Proto-Indo-European	snéh₁wr̥	sinew, tendon
6	Proto-Indo-European	(s)neh₁-	to spin (thread), to sew

via Hindi शास्त्र

Step	Language	Word	Meaning
1	Hindi	शास्त्र	study; science; code, rule; sacred text,...
2	Sanskrit	शास्त्र	shastra, scripture; science, knowledge
3	Proto-Indo-Aryan	śāstra	—

Every word from Proto-Indo-European (s)neh₁- →Every word from Proto-Indo-European snéh₁wr̥ →Every word from Proto-Indo-Aryan snáHwar →