abscond

to run away secretly or hide away

Roots

ab / abs: away, from, off, down, or apart
cond / condere: put away, store, hide, or preserve

Other words with the cond / condere root

condiment: a seasoning or sauce added to food
recondite: obscure, hidden, or difficult to understand

Abscond joins away with hiding: someone puts themselves out of sight and slips off.

The treasurer absconded with the funds before anyone checked the books.

Condere gives the tucked-away picture: put away, store, or hide. Condiment keeps the milder preserve/store side; abscond adds ab- and turns it into hiding away. The person is not merely absent; they have put themselves out of reach.