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To Kay #42,
In the Textus Receptus, the word is there directly. In some of the other texts the meaning is there as a reflexive use of the word (Greek can do that in a way that english can’t).
Beyond that I made no claim to interpretation, simply pointed out that Paul made a distinction in using this word.
It might further be noted given your general form of argument that the “mutual submission” commanded in Eph 5 does not exclude the possibility of relationship hierarchy as can be seen in the commands to children regarding their parents and slaves regarding their masters.
Again, I offer no proof that there exists a hierarchy of relationship within the marriage relationship; I merely point out that the arguments here leveled against the idea are intrinsically flawed.