An Etymological Dictionary of Astronomy and Astrophysics

Suffix forming adjectives with meanings “capable of, susceptible of, worthy of, tending to.”

Etymology (EN): M.E., from O.Fr., from L. -abilis, -ibilis, from -a- and -i- + -bilis.

Etymology (PE): The capability suffix -i is added to the infinitive form.
-pazir “receiving, accepting, admitting, having,” from paziroftan “to receive, accept, admit,” Mid.Pers. padiriftan, padir- “to receive, accept,” from Proto-Iranian *pati- + *grab- “to grab, seize, take,” Av./O.Pers. grab- “to take, seize;” cp. Skt. grah-, grabh- “to seize, take,” graha “seizing, holding, perceiving,” M.L.G. grabben “to grab,” from P.Gmc. *grab (E. grab); PIE *ghrebh- “to seize.”