Latin word pluris comes from Latvian *bla-, Latin pildit, and later Proto-Italic *plēōs (More.)

Detailed word origin of pluris

Dictionary entry	Language	Definition
*bla-	Latvian (lav)
pildit	Latin (lat)
*pʰel	Proto-Indo-European (ine-pro)
*pleh₁-	Proto-Indo-European (ine-pro)
*pleh₁-yōs	Proto-Indo-European (ine-pro)
*plēōs	Proto-Italic (itc-pro)	More.
*plous	Old Latin (itc-ola)
pleores	Old Latin (itc-ola)
pluris	Latin (lat)

Words with the same origin as pluris