entries → 延長
TSUMUGU · TOCFL 4 (est.) · 詞
延長 word · TOCFL 4 (est.)
延長 ＝ 延 ＋ 長
ㄧㄢˊ ㄔㄤˊ · yáncháng
verb — to extend, to prolong, to lengthen

字源 FORM — what the parts do

延to stretch out, to prolong (延伸)yán
長long (長度)cháng
延長，延伸的延，長短的長。
關 · Related
延伸yánshēnthe same 延, to reach further縮短suōduǎnto shorten — the opposite move