expand
ex- ‘out’ + pandere ‘to spread’
https://gyazo.com/9e07f640cfdcb5de9e3d2e22f3af7e89
source: [顔を膨らませるプリン｜無料GIF画像検索 GIFMAGAZINE 2948292]
verb
become or make larger or more extensive:
〈物･事が〉(大きさ･数･重要性の点で)ふくらむ, 膨張する(↔ contract); ｟かたく｠ 〈たたまれていたものが〉広がる
e.g. no object : their business expanded into other hotels and properties
(大きさ･数･重要性の点で)〈物･事〉をふくらませる, 膨張させる; ｟かたく｠ 〈たたんだもの〉を広げる
e.g. with object : baby birds cannot expand and contract their lungs.
no object Physics (of the universe) undergo a continuous change whereby, according to theory based on observed redshifts, all the galaxies recede from one another.
no object (expand on) give a fuller version or account of:
«…について» さらに詳しく述べる, 詳説する(enlarge) «on» , ｟よりかたく｠ «upon»
e.g. Anne expanded on the theory.
DERIVATIVES
expandable | ikˈspandəb(ə)l | adjective
expander | ikˈspandər | noun
expansibility | ikˌspansəˈbilədē | noun
expansible | ikˈspansəb(ə)l | adjective
ORIGIN
late Middle English: from Latin expandere ‘to spread out’, from ex- ‘out’ + pandere ‘to spread’.