Where does “pihtakuusi” come from?

pihtakuusi (Finnish) comes from Finnish pihta, from Russian пи́хта, from German Fichte, from Middle High German viehte, from Old High German fiuhta, from Proto-West Germanic fiuhtijā, from Proto-Germanic fiuhtijǭ, from Proto-Indo-European péwḱ-t-ih₂ — pine.

Ancestry of “pihtakuusi”, step by step

pihtakuusi traces back through two separate lines of ancestry.

via Finnish pihta

StepLanguageWordMeaning
1FinnishpihtaA fir of the genus "Abies"
2Russianпи́хтаfir
3GermanFichteA spruce; the common tree; spruce; the wood and...
4Middle High Germanviehte—
5Old High Germanfiuhta—
6Proto-West Germanicfiuhtijāspruce
7Proto-Germanicfiuhtijǭ—
8Proto-Indo-Europeanpéwḱ-t-ih₂—
9Proto-Indo-Europeanpewḱ-pine

via Finnish kuusi

StepLanguageWordMeaning
1Finnishkuusisix; spruce; Norway spruce, "Picea abies"
2Proto-Finnickuucisix
3Proto-Uralickutteridge; six
Every word from Proto-Indo-European pewḱ- →Every word from Proto-Indo-European péwḱ-t-ih₂ →Every word from Proto-Germanic fiuhtijǭ →