From the Online Etymologie Dictionary:
frog (n.1)
Old English frogga "frog," a diminutive of frosc, forsc, frox "frog," a common Germanic word but with different formations that are difficult to explain (cognates: Old Norse froskr, Middle Dutch vorsc, German Frosch "frog"), probably literally "hopper" (if from PIE root *preu- "to hop," source also of Sanskrit provate "hops," Russian prygat "to hop, jump"). Watkins calls the Old English -gga an "obscure expressive suffix."
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So yeah, frog essentially means hopper. I mean, it is accurate.
Interestingly, a hopper is the name for immature individuals of species of frogs which don't have tadpole stages.
Also, "-gga" is quite the expressive suffix indeed. Worth noting that while calling a frog "frogga" was okay at some point, nowadays it's considered offensive unless, of course, you're a frog yourself or have the F-word pass. And no, you can't say it even if you are "just singing along".
frog (n.1)
Old English frogga "frog," a diminutive of frosc, forsc, frox "frog," a common Germanic word but with different formations that are difficult to explain (cognates: Old Norse froskr, Middle Dutch vorsc, German Frosch "frog"), probably literally "hopper" (if from PIE root *preu- "to hop," source also of Sanskrit provate "hops," Russian prygat "to hop, jump"). Watkins calls the Old English -gga an "obscure expressive suffix."
*
So yeah, frog essentially means hopper. I mean, it is accurate.
Interestingly, a hopper is the name for immature individuals of species of frogs which don't have tadpole stages.
Also, "-gga" is quite the expressive suffix indeed. Worth noting that while calling a frog "frogga" was okay at some point, nowadays it's considered offensive unless, of course, you're a frog yourself or have the F-word pass. And no, you can't say it even if you are "just singing along".