Where does “سربسر” come from?

سربسر (Classical Persian) comes from Classical Persian سر, from Sanskrit शूल, from Proto-Indo-Aryan śúHlas, from Proto-Indo-Iranian ćúHlas, from Proto-Indo-European ḱúh₃-los, from Proto-Indo-European ḱeh₃- — to sharpen, whet; sharpen.

Ancestry of “سربسر”, step by step

سربسر traces back through two separate lines of ancestry.

via Classical Persian سر

StepLanguageWordMeaning
1Classical Persianسر—
2Sanskritशूलany sharp instrument or pointed dart, lance,...
3Proto-Indo-AryanśúHlas—
4Proto-Indo-IranianćúHlas—
5Proto-Indo-Europeanḱúh₃-los—
6Proto-Indo-Europeanḱeh₃-to sharpen, whet; sharpen

via Classical Persian به

StepLanguageWordMeaning
1Classical Persianبه—
2Georgian-ა{{non-gloss|Suffixed to nouns and adjectives for...
3Georgian-ადAdverbial case marker; Derives adverbs from...
Every word from Proto-Indo-European ḱeh₃- →Every word from Proto-Indo-European ḱúh₃-los →Every word from Proto-Indo-Iranian ćúHlas →