āsajjana : [nt.] 1. knocking against; 2. insult; 3. attachment.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Āsajjana (nt.) [fr. āsajja in meaning of no. 3] "knocking against", setting on, insult, offence Vin ii.203 (˚ŋ Tathāgataŋ an insult to the T.; quoted as such at VvA 55, where two meanings of ā. are given, corresponding to āsajja 1 & 3, viz. samāgama & ghaṭṭana, the latter in this quot.) = It 86 (so to be read with v. l.; T. has āpajja naŋ); S i.114 (apuññaŋ pasavi Māro āsajjanaŋ Tathāgataŋ; trsl. "in seeking the T. to assail"); J v.208.

Pali-English Dictionary, TW Rhys Davids, William Stede,