延引 is read as えんいん (enin) and means delay.
えんいん
enin
ひきのばす
to delay (e.g. the end of a meeting)
ひきのばし
enlargement (e.g. of a photograph)
のびる
to spread (of paint, cream, etc.)
えんちょう
(total) length
えんき
postponement
えんめい
keeping alive longer
のべ
credit (buying)
えんえん
endlessly
えんしょう
spread of fire
えんちょうこうはん
second half of extra time (in soccer)
えんちょうぜんはん
first half of extra time (in soccer)
のべじんいん
total number of man-days