Where does “oponible” come from?

oponible (Spanish) comes from Spanish -ible, from Latin -ibilis, from Latin -bilis, from Proto-Italic -ðlis, from Proto-Indo-European -dʰlis, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

oponible (Spanish): opposable placed opposite something else

Definitions

opposable placed opposite something else

Ancestry of “oponible”, step by step

Step	Language	Word	Meaning
1	Spanish	-ible	ible
2	Latin	-ibilis	-able; able or worthy to be
3	Latin	-bilis	-ble
4	Proto-Italic	-ðlis	Forms adjectives from verb stems indicating capacity or worth of being acted on
5	Proto-Indo-European	-dʰlis	—
6	Proto-Indo-European	-dʰlom	Alternative form of *-trom; instrumental suffix;...

Every word from Proto-Indo-European -dʰlom →Every word from Latin -bilis →Every word from Spanish -ible →