訓 ちい(さい) ・ 音 ショウ
Sino-Vietnamese: tiểu
A single object in the middle chipped away by two strokes on either side, leaving only small fragments behind. Shrink 大 (big) down and this is what survives.
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
この犬は小さいです。 (このいぬはちいさいです)
This dog is small.