co.ad.u.nate

adj.（形容詞）
Closely joined; grown together; united.
密切聯(lián)合的；生長(zhǎng)在一起的；聯(lián)合的

來(lái)源：
Late Latin coadôn3tus [past participle of] coadôn3re [to combine]
后期拉丁語(yǔ) coadôn3tus [] coadôn3re的過(guò)去分詞 [合并]
Latin co- [co-]
拉丁語(yǔ) co- [前綴，表.相互，一起.]
Latin adôn3re [to unite] ad- [ad-] ônus [one] * see oi-no-
拉丁語(yǔ) adôn3re [聯(lián)合] ad- [前綴，表.添加.] ônus [一個(gè)] *參見(jiàn) oi-no-

【引伸】
coad.una.tion
coad.una.tive
adj.（形容詞）