Where does “Pikardia” come from?

Pikardia (Polish) comes from Portuguese Picardia, from French Picardie, from French -ie, from Middle French -ie, from Old French -ie, from Latin -ia, from Latin -ius, from Proto-Italic -jōs — Creates adjectives from noun or verb stems.

Ancestry of “Pikardia”, step by step

StepLanguageWordMeaning
1PortuguesePicardia—
2FrenchPicardie—
3French-ieindicates a feminine noun, often an abstract one
4Middle French-ieindicates a feminine noun, often an abstract one
5Old French-ieindicates a feminine noun, often an abstract one
6Latin-iaUsed to form a feminine abstract noun, usually...
7Latin-iusforming adjectives from nouns; nominative neuter...
8Proto-Italic-jōsForms comparative adjectives
9Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European -yós →Every word from Latin -ia →Every word from Latin -ius →