Where does “tīrīgs” come from?

tīrīgs (Latvian) comes from Latvian tīrs, from Latvian tīr-, from Latvian tirt, from Proto-Baltic tir-, from Proto-Indo-European tr̥- — to make noise, to talk a lot.

tīrīgs (Latvian): clean, cleanly, tidy

Definitions

clean, cleanly, tidy

Ancestry of “tīrīgs”, step by step

Step	Language	Word	Meaning
1	Latvian	tīrs	clean; pure, clean; clean, empty, clear
2	Latvian	tīr-	—
3	Latvian	tirt	to rub
4	Proto-Baltic	tir-	—
5	Proto-Indo-European	tr̥-	to make noise, to talk a lot

Every word from Proto-Indo-European tr̥- →Every word from Latvian tīr- →Every word from Latvian tīrs →