Absorbing means so interesting that you lose track of time. An absorbing book, absorbing work, utterly absorbing.
It is about the effect on the reader rather than the subject, so an absorbing account of something dull is high praise for the writer. The literal sense, taking up liquid, is where the image comes from.
1adjectiveabsorbingSo interesting that you lose track of time.
“The documentary was so absorbing that I forgot to eat my dinner.”
absorbing is a quality.
Latin
absorbeō
Old French
assorbir
Middle French
absorber
English
absorb
English, today
absorbing
From absorb + -ing. absorb comes from Middle French absorber, from Old French assorbir, from Latin absorbeō. From Middle French absorber, from Old French assorbir, from Latin absorbeō (“swallow up”), from ab- + sorbeō, ultimately from Proto-Indo-European srebʰ- (“to sip”). Compare French absorber.
Etymology from Wiktionary, CC BY-SA