Hay 2 definiciones de interline en inglés:

interline1

Saltos de línea: inter|line
Pronunciación: /ɪntəˈlʌɪn
 
/

verbo

[with object]
Insert words between the lines of (a document or other text): the writing was overwritten and interlined by many hands

Origen

late Middle English: from medieval Latin interlineare, from inter- 'between' + Latin linea 'line'.

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