Where does “snackie” come from?

snackie (English) comes from English snack, from Middle Dutch snacken, from Old Dutch snakkon.

Ancestry of “snackie”, step by step

snackie traces back through two separate lines of ancestry.

via English snack

StepLanguageWordMeaning
1EnglishsnackA light meal; An item of food eaten between...
2Middle Dutchsnackento snack
3Old Dutchsnakkon

via English ie

StepLanguageWordMeaning
1EnglishieAlternative form of i.e
Every word from Old Dutch snakkonEvery word from Middle Dutch snackenEvery word from English snack