Where does “tree cookie” come from?

tree cookie (English) comes from English Cookie, from English Cook, from German kochen, from Middle High German kochen, from Old High German kohhōn, from Proto-Germanic kukōną, from Proto-Germanic kukaz, from Latin coquus.

tree cookie (English): A preserved horizontal cross-section of a tree trunk or limb, often demonstrating the physical structure and growth rings of the source plant

Definitions

  1. A preserved horizontal cross-section of a tree trunk or limb, often demonstrating the physical structure and growth rings of the source plant

Ancestry of “tree cookie”, step by step

tree cookie traces back through two separate lines of ancestry.

via English Cookie

StepLanguageWordMeaning
1EnglishCookieAn endearing or condescending nickname
2EnglishCookA placename
3Germankochento cook, to prepare food; to boil; to be stirred...
4Middle High Germankochento cook
5Old High Germankohhōnto cook
6Proto-Germanickukōnąto cook
7Proto-Germanickukazcook
8LatincoquusA cook; person who makes food
9Latincoquōto cook; prepare food
10Latinquoquoablative masculine singular of quisquis; ablative...
11Proto-Italickʷekʷōto cook
12Proto-Indo-Europeanpékʷetito be cooking; to ripen
13Proto-Indo-Europeanpekʷ-to cook; to ripen
14Proto-Indo-Europeanh₃-ép-kʷ-

via English tree

StepLanguageWordMeaning
1EnglishtreeA perennial woody plant, not exactly defined, but...
2Middle EnglishtreA tree or a plant that resembles one
Every word from Proto-Indo-European h₃-ép-kʷ-