Where does “plánáil” come from?

plánáil (Irish) comes from Irish plána, from English plane, from Middle English plane, from Old French plane, from Latin platanus, from Greek πλάτανος, from Ancient Greek πλάτανος, from Ancient Greek πλατύς — flat.

plánáil (Irish): plane; verbal noun of plánáil

Definitions

plane; verbal noun of plánáil

Ancestry of “plánáil”, step by step

Step	Language	Word	Meaning
1	Irish	plána	flat surface, plane; plane
2	English	plane	Of a surface: flat or level; A level or flat...
3	Middle English	plane	—
4	Old French	plane	—
5	Latin	platanus	planetree, sycamore
6	Greek	πλάτανος	plane tree
7	Ancient Greek	πλάτανος	planetree
8	Ancient Greek	πλατύς	wide, broad; flat, level; broad-shouldered
9	Proto-Indo-European	pléth₂us	flat, broad
10	Proto-Indo-European	pleth₂-	flat

Every word from Proto-Indo-European pleth₂- →Every word from Proto-Indo-European pléth₂us →Every word from Ancient Greek πλατύς →