Where does “leathanach” come from?

leathanach (Irish) comes from Irish leathan, from Old Irish lethan, from Proto-Celtic ɸlitanos, from Proto-Indo-European pl̥th₂-enos, from Proto-Indo-European pleth₂- — flat.

leathanach (Irish): page; sheet

Definitions

  1. page; sheet

Ancestry of “leathanach”, step by step

leathanach traces back through two separate lines of ancestry.

via Irish leathan

StepLanguageWordMeaning
1Irishleathanbroad; wide, extensive; broad part; flat open...
2Old Irishlethanbroad, wide
3Proto-Celticɸlitanosbroad, wide
4Proto-Indo-Europeanpl̥th₂-enos
5Proto-Indo-Europeanpleth₂-flat

via Irish ách

StepLanguageWordMeaning
1IrisháchAlternative form of ach
2Old Irishachtbut; provided; inflection of aigid: ##...
3Proto-Celticextosexcept, but
4Proto-Indo-Europeaneǵʰsout; from, out of
Every word from Proto-Indo-European pleth₂-Every word from Proto-Indo-European pl̥th₂-enosEvery word from Proto-Celtic ɸlitanos