Where does “suprasubtle” come from?

suprasubtle (English) comes from English subtle, from Middle English sotil, from Old French sotil, from Latin subtīlis, from Latin tēla, from Old Dutch tegela, from Proto-Germanic *tigulā, from Proto-Germanic tigulǭ — to cover; pole, stick, beam.

Ancestry of “suprasubtle”, step by step

suprasubtle traces back through two separate lines of ancestry.

via English subtle

StepLanguageWordMeaning
1EnglishsubtleHard to grasp; not obvious or easily understood;...
2Middle EnglishsotilUsing brainpower; smart or wise; Low in a...
3Old Frenchsotil
4Latinsubtīlisfine, thin, slender
5Latintēlaweb
6Old Dutchtegela
7Proto-Germanic*tigulā
8Proto-Germanictigulǭtile; brick
9Latintēgulaa large, flat and heavy roof tile used in an overlapping formation with the curved and smaller imbrex
10Latintegōto cover; to clothe
11Proto-Italictegōcover
12Proto-Indo-European(s)teg-to cover; pole, stick, beam

via English supra

StepLanguageWordMeaning
1EnglishsupraUsed to indicate that the current citation is...
2Georgianსუფრაtablecloth; the table on which supra is conducted
3Persianسفرهtablecloth
4Arabicسُفْرَةvictuals; table, especially for eating
Every word from Proto-Indo-European (s)teg-
suprasubtle — Etymology, Origin & Word History | Etymology Explorer