absorb (v.) Look up absorb at Dictionary.com
early 15c., from Old French absorbir, assorbir (13c., Modern French absorber), from Latin absorbere "to swallow up, devour," from ab- "from" (see ab-) + sorbere "suck in," from PIE root *srebh- "to suck, absorb" (source also of Armenian arbi "I drank," Greek rhopheo "to sup greedily up, gulp down," Lithuanian srebiu "to drink greedily"). Figurative meaning "to completely grip (one's) attention" is from 1763.