The world tree is called Yggdrasil; perhaps you are thinking of this?
ymir
She is a female.
if you mean ymir from attack on titan, she is a girl
you obtain a spear and when ymir bangs his club on the ground jump on it
According to NASA, Ymir is 9,615,138 miles away
Ymir, who was actually an evil frost giant.
Ymir was a primeval being who was born from venom that dripped from the icy rivers Élivágar and lived in the grassless void of Ginnungagap. Ymir birthed a male and female from the pits of his arms, and his legs together begat a six-headed being.According to the Prose Edda, after Ymir was formed from the elemental drops, so too was Auðumbla, a primeval cow, whose milk Ymir fed from.
Ymir is the primordial giant and father to the frost giants. He was created from the melting ice of Niflheim.
Ymir is a space word. It is one of Saturn's moons.
Ymir had a boy and girl come from his armpits; and a six headed son from his legs, none of them are named in Norse myth.
Ymir was formed out of the confluence of melted ice and ash from either side of Gluddengappa. He is a primordial being along with Auðumbla.
Man wasn't made from a tree. It started when the Frost Giant Ymir was sleeping and started to perspire. The first man and woman emerged from the sweat on his arms. The World Tree in Norse Mythology was called Yggdrasil, if that's what you're thinking of.