Where does “rullaportaikko” come from?

rullaportaikko (Finnish) comes from Finnish rulla, from Swedish rulla, from Old Swedish rolla, from Old French röeler, from Medieval Latin rotulo, from Latin rotula, from Arabic رَطْل, from Classical Syriac ܪܝܛܠܐ — ingot.

rullaportaikko (Finnish): escalator

Definitions

  1. escalator

Ancestry of “rullaportaikko”, step by step

rullaportaikko traces back through two separate lines of ancestry.

via Finnish rulla

StepLanguageWordMeaning
1Finnishrullaroll; roller, as in "roller skates"; reel, as in...
2Swedishrullaroll; an official or public document; a register;...
3Old Swedishrolla
4Old Frenchröelerto roll
5Medieval Latinrotulodative singular of rotulus; ablative singular of...
6Latinrotulaa small wheel; roll
7Arabicرَطْل
8Classical Syriacܪܝܛܠܐ
9Classical Syriacܠܝܛܪܐlibra, pound
10Frenchlitrelitre
11Medieval Latinlitra
12Ancient Greekλίτραlitra, a Sicilian silver coin; libra, a unit of...
13Proto-Italic*līðrāingot

via Finnish portaikko

StepLanguageWordMeaning
1Finnishportaikkostaircase
2Finnishporrasstep, stair
3Proto-Finnicpordasstair, step
4Proto-Germanicbordaz
5Proto-Germanicburdąboard, plank; table
6Proto-Indo-Europeanbʰers-top, tip, point
Every word from Proto-Italic *līðrāEvery word from Ancient Greek λίτραEvery word from Medieval Latin litra