Where does “näyteikkunaostos” come from?

näyteikkunaostos (Finnish) comes from Finnish näyteikkuna, from Finnish näyte, from Finnish näyttää, from Finnish -ttaa, from Proto-Finnic -ttadak, from Proto-Uralic -kta-.

Ancestry of “näyteikkunaostos”, step by step

näyteikkunaostos traces back through two separate lines of ancestry.

via Finnish näyteikkuna

StepLanguageWordMeaning
1Finnishnäyteikkunashop window, show window, display window
2Finnishnäytesample, specimen
3Finnishnäyttääto show, present; to seem to do, appear to do; to...
4Finnish-ttaaForms causative verbs. May be applied to verbs...
5Proto-Finnic-ttadakCreates causative verbs from regular verbs,...
6Proto-Uralic-kta-

via Finnish ostos

StepLanguageWordMeaning
1Finnishostospurchase; shopping
2FinnishostaaTo buy, purchase
3Proto-Finnicostadakto buy
4Proto-Uralic-ta-Forms verbs from nouns; Forms causative verbs...
Every word from Proto-Uralic -kta-