Where does “inabsorbable” come from?

inabsorbable (English) comes from English absorbable, from English absorb, from Middle French absorber, from Latin absorbeō, from Latin sorbeo, from Proto-Italic sorβeō, from Proto-Indo-European srobʰéyeti, from Proto-Indo-European -éyeti — Creates transitive imperfective verbs from roots.

Ancestry of “inabsorbable”, step by step

inabsorbable traces back through two separate lines of ancestry.

via English absorbable

StepLanguageWordMeaning
1EnglishabsorbableCapable of being absorbed or swallowed up
2EnglishabsorbTo include so that it no longer has separate...
3Middle Frenchabsorber
4Latinabsorbeōto swallow down, devour
5LatinsorbeoI suck in, drink up
6Proto-Italicsorβeōto suck in
7Proto-Indo-Europeansrobʰéyetito be sipping, sucking; to cause to sip, suck
8Proto-Indo-European-éyetiForms causative imperfective verbs from roots;...
9Proto-Indo-European-yetiCreates transitive imperfective verbs from roots

via English in

StepLanguageWordMeaning
1EnglishinUsed to indicate location, inclusion, or position...
2Middle EnglishinAny kind of accomodation; particularly; A home or...
3Old Englishinin; Alternative form of inn
4Proto-West Germanic*in
Every word from Proto-Indo-European -yeti