for-, in front of, 語源的にはforeと同じ。 -ward, toward, 語源的には towardsと同じ。
英語の語源
forward
forward: see forth
forward (adv.)
Old English forewearde "toward the front, in front; toward the future; at the beginning;" see fore + -ward. Adjectival sense of "early" is from 1520s; that of "presumptuous" is attested from 1560s. The Old English adjective meant "inclined to the front; early; former."
forward (v.)
1590s, "to help push forward," from forward (adv.). Meaning "to send (a letter, etc.) on to another destination" is from 1757; later of e-mail. Related: Forwarded; forwarding.
forward (n.)
Old English foreweard, "the fore or front part" of something, "outpost; scout;" see forward (adv.). The position in football so called since 1879.
例文
1. The car passed over the body twice，once backward and then forward .
その車はその人を2回往復して、まず逆に圧延して、それから前に圧延していた。
2.She walked forward and embraced him and stroked his tousled white hair.
彼女は前に出て彼を抱きしめ、乱れた白髪をなでた。
3.The one thing I look forward to is going punting in Cambridge.
私が楽しみにしていることの1つは、ケンブリッジで平底船に乗って泳ぐことです。
4.Sarah came forward with a tight and angry face.
サラが近づいてきて、顔を引き締めて怒った。
5.I left a sergeant in command and rode forward to reconnoitre.