Where does “juxtatentacular” come from?

juxtatentacular (English) comes from English tentacular, from Latin tentacularis, from Latin -āris, from Latin -ālis, from Proto-Italic -ālis — forms relational adjectives.

juxtatentacular (English): Lying next to a tentacle

Definitions

  1. Lying next to a tentacle

Ancestry of “juxtatentacular”, step by step

juxtatentacular traces back through two separate lines of ancestry.

via English tentacular

StepLanguageWordMeaning
1EnglishtentacularOf, or pertaining to, tentacles; Resembling a...
2Latintentacularistentacular
3Latin-ārisfirst conjugation
4Latin-ālis
5Proto-Italic-ālisforms relational adjectives

via English juxta

StepLanguageWordMeaning
1EnglishjuxtaIn males of most species of order Lepidoptera, an...
2Latiniuxtānearly, nigh
Every word from Proto-Italic -ālisEvery word from Latin -ālisEvery word from Latin -āris