Where does “poikittaistutkimus” come from?

poikittaistutkimus (Finnish) comes from Finnish poikittainen, from Finnish poikittain, from Finnish poikki, from Finnish poikitse, from Finnish itse, from Proto-Finnic icek, from Hebrew יצחק — to laugh.

poikittaistutkimus (Finnish): cross study

Definitions

  1. cross study

Ancestry of “poikittaistutkimus”, step by step

poikittaistutkimus traces back through two separate lines of ancestry.

via Finnish poikittainen

StepLanguageWordMeaning
1Finnishpoikittainentransverse, traverse; abeam
2Finnishpoikittaincrosswise, diagonally, obliquely; abeam
3Finnishpoikkibroken into two or more pieces; off; exhausted,...
4Finnishpoikitse(Scattered/strewn) here and there, all over (the place), (all) spread out
5Finnishitseoneself; used to emphasize the person of the head...
6Proto-Finnicicekself
7Hebrewיצחקto laugh

via Finnish tutkimus

StepLanguageWordMeaning
1Finnishtutkimusresearch; examination; investigation
2Finnishtutkiato examine, investigate; to research; Partitive...
3Finnish-iaForms primarily transitive verbs describing...
4Proto-Finnic-idakapplicative suffix
5Proto-Uralic-j-
Every word from Hebrew יצחקEvery word from Proto-Finnic icekEvery word from Finnish itse