absorb Look up absorb at Dictionary.com
late 15c., from M.Fr. absorber (O.Fr. assorbir), from L. absorbere "to swallow up," from ab- "from" + sorbere "suck in," from PIE base *srebh- "to suck, absorb" (cf. Armenian arbi "I drank," Gk. rhopheo "to sup greedily up, gulp down," Lith. srebiu "to drink greedily"). Fig, meaning "to completely grip (one's) attention" is from 1753.