hem.i.stich

n.（名詞）
A half line of verse, especially when separated rhythmically from the rest of the line by a caesura.
半行：詩的半行，尤指由于休止而有節(jié)奏地和詩行的其余部分分開者
An incomplete or imperfect line of verse.
不完全的詩行或不完美的詩行

來源：
Latin hemistichium
拉丁語 hemistichium
from Greek hômistikhion
源自 希臘語 hômistikhion
hômi- [hemi-]
hômi- [前綴，表示.半.]
stikhos [line] * see steigh-
stikhos [行] *參見 steigh-