entries → 一半兒
TSUMUGU · TOCFL A1 (est.) · 詞
一半兒 word · TOCFL A1 (est.)
一半兒 =
· yībànr
noun — one half (the colloquial 兒-form of 一半)

字源 FORM — what the parts do

one (第一)
half (半天)bàn
the spoken -r ending; rounds off the word and carries no meaning of its ownr
一半兒,第一的一,半天的半,加上兒化的兒。