Wurdahuzdą: Proto-Germanic dictionary — *flatjaną Scott K. Shay Wardja Press https://protogermanic.org/pgmc_flatjaną

Single-entry extract from the dictionary. Cross-references to other entries point to their identifiers in the full dictionary.
flatjaną ˈɸlɑt.jɑ.nɑ̃ ᚠᛚᚨᛏᛃᚨᚾᚨ
verb Weak class 1 to flatten, make flat From *flataz (‘flat’) + *-(i)janą(causative suffix forming Weak class 1 verbs).
flatjō
flatjaų
flatjai
flatisi
flatjais
flati
flatjasai
flatjaisau
flatiþi
flatjai
flatjaþau
flatjaþai
flatjaiþau
flatjōs
flatjaiw
flatjaþiz
flatjaiþiz
flatjaþiz
flatjamaz
flatjaim
flatjanþai
flatjainþau
flatiþ
flatjaiþ
flatiþ
flatjanþai
flatjainþau
flatjanþi
flatjain
flatjanþau
flatjanþai
flatjainþau
flatidǭ
flatidēdį̄
flatidēz
flatidēdīz
flatidē
flatidēdī
flatidēdū
flatidēdīw
flatidēdudiz
flatidēdīdiz
flatidēdum
flatidēdīm
flatidēdud
flatidēdīd
flatidēdun
flatidēdīn
flatjandz
flatidaz
flatjaną
Proto-West Germanic *flattjan Frankish *flattjan Old French flatir
Proto-West Germanic *flattjan Old High German *flezzen Middle High German vletzen German fletzen, fletschen, fläzen
Old Norse fletja Icelandic fletja