Where does “flattishness” come from?

flattishness (English) comes from English flattish, from English flat, from Scots flet, from Middle English flet, from Old English flet, from Proto-Germanic flatją, from Proto-Germanic flataz, from Proto-Indo-European plÁt-.

flattishness (English): Quality of being flattish

Definitions

  1. Quality of being flattish

Ancestry of “flattishness”, step by step

flattishness traces back through two separate lines of ancestry.

via English flattish

StepLanguageWordMeaning
1EnglishflattishSomewhat flat, in any comparable sense of the...
2EnglishflatHaving no variations in height; Without...
3Scotsfletinner part of a house
4Middle Englishfletthe floor, ground; a dwelling, habitation, house,...
5Old Englishfletthe floor, ground; a dwelling, habitation, house,...
6Proto-Germanicflatjąa level surface; level ground; the floor of a...
7Proto-Germanicflatazflat
8Proto-Indo-EuropeanplÁt-

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 plÁt-Every word from Proto-Germanic flatazEvery word from Proto-Germanic flatją