Where does “grappleth” come from?

grappleth (English) comes from English grapple, from English grab, from English -le, from Middle English -el, from Old French -el, from Latin -ellus, from Latin -ulus, from Proto-Italic -olos — Forms agent nouns from verbal roots.

Ancestry of “grappleth”, step by step

grappleth traces back through two separate lines of ancestry.

via English grapple

StepLanguageWordMeaning
1EnglishgrappleTo seize something and hold it firmly; To wrestle...
2EnglishgrabTo grip suddenly; to seize; to clutch; To make a...
3English-leA frequentative suffix of verbs, indicating...
4Middle English-el
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

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Proto-Indo-European -lós
grappleth — Etymology, Origin & Word History | Etymology Explorer