Englishmen in chitons

Denniston on Euripides, Electra 239 observes:

Here ξηρός is equivalent, I think, to αὐχμῶν..., which means, not
'squalid', 'unwashed' (L&S), but 'lacking unguents'. The northern European
does not realise the full horror of this, but unguents were indispensible to the
Greek.

A comment on αὐτολήκυθος follows.