absently

Concise Oxford English Dictionary © 2008 Oxford University Press:
absent

▶adjective /ˈabs(ə)nt/ 

• 1 not present.

• 2 showing a lack of attention.

▶verb /abˈsɛnt/ (absent oneself) stay or go away. ▶preposition /ˈabs(ə)nt/ N. Amer. without.

– derivatives
absently adverb.

– origin ME: via OFr. from L. absens, absent-, pres. part. of abesse, from ab- ‘from, away’ + esse ‘to be’.