entries → 延伸
TSUMUGU · TOCFL 6 (est.) · 詞
延伸 word · TOCFL 6 (est.)
延伸 ＝ 延 ＋ 伸
ㄧㄢˊ ㄕㄣ · yánshēn
verb — to extend, to stretch out

字源 FORM — what the parts do

延to prolong, to draw out (延長)yán
伸to stretch out (伸手)shēn亻person + 申 shēn gives the sound
延伸，延長的延，伸手的伸。
關 · Related
延長yánchángthe same 延, to lengthen伸手shēnshǒuthe same 伸, to reach out