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

Old English -weard, from a Germanic base meaning ‘turn’.