Where does “tomfoolishness” come from?

tomfoolishness (English) comes from English tomfoolish, from English tomfool, from English fool, from French fouler, from Middle French fouller, from Old French foler, from Medieval Latin fullo, from Latin fullo.

tomfoolishness (English): The quality of being tomfoolish

Definitions

  1. The quality of being tomfoolish

Ancestry of “tomfoolishness”, step by step

tomfoolishness traces back through two separate lines of ancestry.

via English tomfoolish

StepLanguageWordMeaning
1Englishtomfoolishsilly; foolish
2Englishtomfoola silly or stupid person, especially a boy or...
3EnglishfoolA person with poor judgment or little...
4Frenchfoulerto stamp, impress, dent; to mill; to walk on,...
5Middle Frenchfoullerto mistreat
6Old Frenchfolerto destroy; to mistreat
7Medieval Latinfullofuller
8Latinfullofuller
9Proto-Indo-Europeanbʰleh₃-bloom, flower
10Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
11Proto-Indo-Europeanbʰōl-

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European bʰōl-