Where does “Pienaar” come from?

Pienaar (Afrikaans) comes from French pinard, from French pineau, from French -eau, from Middle French -eau, from Old French -el, from Latin -ellus, from Latin -ulus, from Proto-Italic -olos — Forms agent nouns from verbal roots.

Ancestry of “Pienaar”, step by step

StepLanguageWordMeaning
1Frenchpinardplonk; any wine
2Frenchpineaupineau
3French-eauforming diminutive masculine nouns, especially...
4Middle French-eauforms diminutives
5Old French-elSuffix that usually denotes a masculine noun
6Latin-ellusAlternative form of -ulus; "forming masculine...
7Latin-ulusUsed to form a diminutive of a noun, indicating...
8Proto-Italic-olos
9Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
10Proto-Indo-European-e-lós
11Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European -lós