-ward
/wɔːd/(亦作-wards)
suffix
added to nouns of place or destination and to adverbs of direction ［加于表示地点或目的地的名词, 或者加于表示方向的副词］
1
- （一般作-wards）(forming adverbs) towards the specified place or direction构成副词表示“向某个特定的地点（或方向）”：
eastward
homewards.
2
- （一般作-ward）(forming adjectives) turned or tending towards［构成形容词］表示“转向”, “向…的”：
onward
upward.
词源
Old English -weard, from a Germanic base meaning 'turn'.