接語 is read as せつご (setsugo) and means clitic.
せつご
setsugo
せっちゅうご
infix
せつぞくご
connective
かんせつもくてきご
indirect object
ちょくせつもくてきご
direct object
ぎじちょくせつもくてきご
pseudo-direct object
せっきん
becoming close (i.e. friendly)
せったい
entertainment (of guests; esp. in the corporate world)
せつぞく
changing trains
せっする
to be tangent to
せっしょく
touch
せっせん
close combat
せってん
contact (electrical, etc.)