infix
noun /ˈɪnfɪks/
/ˈɪnfɪks/
(grammar- a letter or group of letters added to the middle of a word to change its meaning
中缀;中加成分 词源early 16th cent.: from Latin infix- ‘fixed in’, from the verb infigere, from in- ‘into’ + figere ‘fasten’, reinforced by in- ‘into’ + fix. The noun is on the pattern of prefix and suffix.