Where does “pinnasänky” come from?

pinnasänky (Finnish) comes from Finnish pinna, from Swedish pinne, from Old Norse pinni, from Proto-Germanic penn-, from Latin penna, from Proto-Italic petnā, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.

pinnasänky (Finnish): crib, cot

Definitions

  1. crib, cot

Ancestry of “pinnasänky”, step by step

pinnasänky traces back through two separate lines of ancestry.

via Finnish pinna

StepLanguageWordMeaning
1Finnishpinnaspoke; tiller; sound post
2Swedishpinnea stick; a short thin roughly cylindrical form of...
3Old Norsepinnia pin
4Proto-Germanicpenn-
5Latinpennawing; feather, especially a flight-feather;...
6Proto-Italicpetnāfeather; wing
7Proto-Indo-Europeanpéth₂r̥wing; feather
8Proto-Indo-Europeanpeth₂-to spread out; to fly

via Finnish sänky

StepLanguageWordMeaning
1Finnishsänkybed, bedstead; sex, especially in the expressions...
2Swedishsänga bed; a piece of furniture used for sleeping
3Old Swedishsiang
4Old Norsesæingbed
5Old Norsesænga late variant of sæing
Every word from Proto-Indo-European peth₂-Every word from Proto-Indo-European péth₂r̥Every word from Proto-Italic petnā