English
illocutionary
From illocution + -ary.
A compound of illocution + -ary
Proto-Indo-European *telkʷ- ‘to talk’
Proto-Indo-European *tlokʷ-
Proto-Italic *tlokʷōr ‘to speak’
Latin loquor ‘to say, speak, tell, talk, utter’
English locution ‘speech’
English illocution
Today it means
adj Of, pertaining to, or deriving from illocution, the performance of acts by speaking.
Language periods are conventional ranges, not dates for this word.
Etymograph / illocutionary