Where does “सिरदर्द” come from?

सिरदर्द (Hindi) comes from Hindi सिर, from Sauraseni Apabhramsa सिरु, from Sauraseni Prakrit 𑀲𑀺𑀭, from Sanskrit शिरस्, from Proto-Indo-Iranian ćŕ̥Has, from Proto-Indo-European ḱŕ̥h₂-os, from Proto-Indo-European ḱerh₂- — head, top; horn.

सिरदर्द (Hindi): headache

Definitions

headache

Ancestry of “सिरदर्द”, step by step

सिरदर्द traces back through two separate lines of ancestry.

via Hindi सिर

Step	Language	Word	Meaning
1	Hindi	सिर	head; brain, mind
2	Sauraseni Apabhramsa	सिरु	—
3	Sauraseni Prakrit	𑀲𑀺𑀭	—
4	Sanskrit	शिरस्	head, skull; the upper end or highest part of...
5	Proto-Indo-Iranian	ćŕ̥Has	head, top
6	Proto-Indo-European	ḱŕ̥h₂-os	—
7	Proto-Indo-European	ḱerh₂-	head, top; horn

via Hindi दर्द

Step	Language	Word	Meaning
1	Hindi	दर्द	pain; ache; affliction
2	Classical Persian	درد	—
3	Middle Persian	dlt'	pain

Every word from Proto-Indo-European ḱerh₂- →Every word from Proto-Indo-European ḱŕ̥h₂-os →Every word from Proto-Indo-Iranian ćŕ̥Has →