-ward
turn
#suffix
1. (usually -wards) (forming adverbs) toward the specified place or direction: homewards | eastward.
特定の場所や方向に向かって
物理的な方向？
2. (usually -ward) (forming adjectives) turned or tending toward: onward | upward.
に向かって振り向く、に向かう傾向がある
ORIGIN
Old English -weard, from a Germanic base meaning ‘turn’.