From the author of Pictogram Palace
Ying2 means pillar. a wood determinant 木 to the left （mu), so we know it’s either something wooden or a strong structured patterned object. on the top right is a pregnant woman yun 孕。 On the lower right is a dish or a pan min 皿.
ying2 is at least a phonetic clue. 盈 ying2 means overflowing, so the pillar here is a powerful pillar, imposing。The image on the right then is of a mother with overflowing nourishment for children.