Where does “tythe” come from?

tythe (Middle English) comes from Old English tēoþa, from Proto-West Germanic tehundō, from Proto-Germanic tehundô — tenth.

Ancestry of “tythe”, step by step

tythe traces back through 3 separate lines of ancestry.

via Old English tēoþa

StepLanguageWordMeaning
1Old Englishtēoþatenth
2Proto-West Germanictehundōtenth
3Proto-Germanictehundôtenth

via Old English tēoða

StepLanguageWordMeaning
1Old Englishtēoðatithe, "n."
2Proto-Germanictehunþô—

via Old English teogoþa

StepLanguageWordMeaning
1Old Englishteogoþa—
Every word from Proto-Germanic tehundô →Every word from Proto-West Germanic tehundō →Every word from Old English tēoþa →