Where does “certeynly” come from?

certeynly (Middle English) comes from Old French certainement, from Old French -ment, from Latin -mentum, from Latin -menta, from Proto-Indo-European -mn̥ — Creates action nouns or result nouns from verbs.

certeynly (Middle English): Without doubt; certainly, indubitably

Definitions

  1. Without doubt; certainly, indubitably

Ancestry of “certeynly”, step by step

certeynly traces back through two separate lines of ancestry.

via Old French certainement

StepLanguageWordMeaning
1Old Frenchcertainementcertainly
2Old French-mentUsed to form adverbs, most of the time equivalent...
3Latin-mentuminstrument, medium, or result of; e.g....
4Latin-mentanominative plural of -mentum; accusative plural...
5Proto-Indo-European-mn̥Creates action nouns or result nouns from verbs

via Middle English certeyn

StepLanguageWordMeaning
1Middle EnglishcerteynSpecified, prescribed, fixed; A certain; Real,...
2Old Frenchcertaincertain; sure
3Vulgar Latincertanuscertain
4Latincertuscertain; fixed, settled, firm; resolved,...
5Proto-Indo-Europeankrey-to sift, separate, divide

Words derived from “certeynly

Every word from Proto-Indo-European -mn̥Every word from Latin -mentumEvery word from Old French -ment