noun, takes する, transitive verb

  1. reinforcement (e.g. of troops).

Variations

Pronunciation Kanji Kana Is Common
増援 ぞうえん

Contained Kanji Breakdown

increase, add, augment
ふ.える ゾウ ま.す (5th, N3)
soil, earth, ground
ド つち は (1st, N5)
formerly, once, before
ソ ソウ かつ (Late High School)
to divide
rice field, rice paddy
た デン たん (1st, N4)
day, sun, Japan
ひ にっ ニチ (1st, N5)
abet, help, save
エン (Early Jr. High, N1)
hand, hand radical (no. 64)
シュ
lead on to, therefore, then
エン ここ.に (Kentei 1)
paw radical
friend
とも ユウ う (2nd, N5)
left hand, cliff(厂) variant
or again, furthermore, on the other hand
また ユウ やす (Late Jr. High, N1)