thenne (Middle English) comes from Old English þonne, from Proto-West Germanic þannā, from Proto-Germanic þan, from Proto-Germanic þam, from Proto-Indo-European tóm, from Proto-Indo-European só — this; that.
thenne (Middle English): Then; Alternative form of thinne
Definitions
Then; Alternative form of thinne
Ancestry of “thenne”, step by step
thenne traces back through two separate lines of ancestry.