[*** \mathrm{pro-}^1]

1. favoring; supporting: pro-choice | pro-life.

支持する; 支援する

2. acting as a substitute or deputy for; on behalf of; for: proconsul | procure.

代理、代行として活動する; 代表して

3. denoting motion forward, out, or away: proceed | propel | prostrate.

前方に、外に、離れる動きを指す

from Latin pro ‘in front of, on behalf of, instead of, on account of’.

[*** \mathrm{pro-}^2] | prō |

before in time, place, order, etc.: proactive | prognosis | program.

from Greek pro ‘before’.