acompanharse
Acompanharse is a rarely attested reflexive form built from the Portuguese verb acompanhar, meaning to accompany. In standard spelling, the reflexive form is acompanhar-se, with a hyphen. The one-word variant acompanharse is not common in formal writing and is generally considered nonstandard or simply a typographical simplified form found in informal texts.
When it occurs, acompanhar-se would typically express a sense of keeping one’s own company or providing oneself
Etymology follows the standard pattern of Portuguese reflexive verbs: a base verb, acompanhar, plus the reflexive
See also: acompanhar, estar acompanhado, companhia, companhia de alguém.