Õlalialusel
Õlalialusel is a term that appears only sporadically in Estonian-language texts and does not have an established meaning in standard dictionaries or linguistic references. In common Estonian, the familiar expression meaning “on the basis of” is onulisel alusel or olulisel alusel; õlalialusel does not form part of the routinely attested constructions. Because of this, Õlalialusel is typically treated as a potential misspelling, a typographical variant, or a stylized or context-specific form rather than a widely recognized lexical item.
Possible interpretations of Õlalialusel include: it may be a misspelling of a phrase using the word alus
In practice, if encountered in text, Õlalialusel should be interpreted with attention to context. If it appears
See also: olulisel alusel (on the basis of), Estonian language usage, Estonian orthography.